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The exterior design of BMW i4 continues the classic elements of BMW brand. The front face adopts a brand-new design language, and the iconic kidney-shaped air intake grille has been redesigned to become flatter and wider. The interior of the grille adopts a closed design, which emphasizes its identity as an electric vehicle. Headlights are sharp in shape and equipped with LED light source inside, which enhances the sense of science and technology. Overall style, BMW i4 presents a sense of futurity and sportiness, with smooth lines and harmonious body proportions, which shows the exquisite craftsmanship and design aesthetics of BMW brand.

The body size of BMW i4 is 4785*1852*1455mm, the wheelbase is 2856mm, the front tread is 1601mm and the rear tread is 1630mm. The car’s side lines are smooth and dynamic, with 18-inch aluminum alloy rims, which are 245/45 R18 in front of tyre size and 255/45 R18 in rear of tyre size, further highlighting the sports atmosphere.

The interior design of BMW i4 is elegant and modern, combining technology and luxury. The 14.9-inch large touch screen on the center console is equipped with intelligent voice recognition system, which can control multimedia, navigation, telephone and air conditioning functions, bringing convenient interactive experience. The steering wheel is made of leather, which provides manual up-and-down and forward-and-backward adjustment functions to ensure that the driver finds the most comfortable position. The car is also equipped with multiple USB and Type-C interfaces to meet the needs of charging and data transmission, while supporting wireless charging of mobile phones. In terms of seats, BMW i4 offers a variety of material choices, including imitation leather, genuine leather and a mix of fabrics and suede materials to meet the individual needs of different users. The front seat has heating function and electric memory function, which is convenient for the driver to adjust the seat position quickly. The rear seats can be laid down in proportion to increase the flexibility of storage space.

BMW i4 is equipped with a powerful motor with a maximum power of 250 kW and a maximum torque of 430 Nm, which provides the vehicle with strong power output and excellent driving experience.

In the evaluation of BMW i4 by car home car owners, it is especially mentioned that it has outstanding sound insulation effect, abundant power and amazing design. He also said that the creation of volcanic red interior made him think that it was not lost to Mercedes-Benz, which fully reflected the unique charm of BMW i4 in interior design.

　　The aging in China is accelerating, but the situation faced by different regions and cities is quite different.

　　According to the internationally accepted classification standards, when a country or region accounts for more than 7% of the population aged 65 and over, it means aging; Reaching 14%, it is a deep aging; If it exceeds 20%, it will enter a super-aging society.

　　According to the data of the seventh national census, the First Financial Reporter combed the population age composition of 336 cities at or above the prefecture level (including municipalities directly under the central government, cities with separate plans, provincial capitals, ordinary prefecture-level cities, prefectures and leagues outside Sansha City, hereinafter referred to as "cities") except Sansha City, and found that 149 cities in China have entered a deep aging stage, in the northeast, Chengdu-Chongqing urban agglomeration, the middle and lower reaches of the Yellow River and the central region.

　　149Urban deep aging

　　The data shows that in 2020, the proportion of 149 prefecture-level and listed people aged 65 and above has exceeded 14%, entering a deep aging.

　　In terms of regional distribution, among the 149 cities, 41 are from the eastern coastal areas, accounting for 27.5%; There are 36 in Northeast China, accounting for 24.2%; There are 72 in the central and western regions, accounting for 48.3%. Generally speaking, the cities with deep aging are concentrated in the northeast, the central region, the Yangtze River Delta, the middle and lower reaches of the Yellow River and Chengdu-Chongqing urban agglomeration.

　　From the perspective of provinces, 149 cities are distributed in 22 provinces, of which 7 provinces have more than 10 cities with deep aging. Among them, there are 17 deeply aging cities in Sichuan, ranking first in number. This is mainly because there are a large number of prefectures and cities in Sichuan, and the population of prefectures and cities not only flows to the developed coastal areas, but also flows into Chengdu with the rapid economic development of the provincial capital in recent years.

　　According to the data, Chengdu is the only provincial capital city and sub-provincial city with a population exceeding 20 million, ranking fourth among all cities in China after Chongqing, Shanghai and Beijing. In 2020, the resident population of the seventh national census in Chengdu reached 20,937,800, accounting for 25.02% of the total resident population in the province, which was 6.22 percentage points higher than that of the sixth national census in 2010 (including Jianyang, the same below); Compared with 2010, it increased by 5,818,900 people, an increase of 38.49%, with an average annual increase of 581,900 people, with an average annual growth rate of 3.31%, which was 0.18 percentage points higher than the average annual growth rate in the last decade.

　　According to the First Financial Reporter, the increase of 5,818,900 people in Chengdu ranks third among all cities in China, second only to the first-tier cities of Shenzhen and Guangzhou.

　　According to the analysis of Sichuan Provincial Bureau of Statistics, in the past ten years, the population of the whole province has further gathered in Chengdu, the first city. From the city (state) data, the population tends to gather in the central city. The data shows that, divided into five economic zones, compared with the sixth national census in 2010, the proportion of permanent residents in Chengdu Plain Economic Zone and Panxi Economic Zone increased by 4.25 percentage points and 0.10 percentage points respectively, while the proportion of permanent residents in South Sichuan Economic Zone, Northeast Sichuan Economic Zone and Northwest Sichuan Ecological Demonstration Zone decreased by 1.44 percentage points, 2.74 percentage points and 0.17 percentage points respectively.

　　Similar situations exist in Hunan, Anhui and Hubei in the middle reaches of the Yangtze River. For example, there are 12 cities in Hunan and Anhui in central China that are deeply aging, and there are also 9 cities in Hubei. One of the main reasons is the outflow of young and middle-aged people, and the working-age population accounts for a relatively low proportion, so the elderly population accounts for a high proportion.

　　Julia, a professor at Zhongnan University of Economics and Law, analyzed the First Financial Report. The central region is closer to the Yangtze River Delta, the Pearl River Delta and Beijing-Tianjin-Hebei. In recent years, the construction of high-speed rail network has further shortened the time and space distance. In addition, with the rapid development of several strong provinces in central China in recent years, there are many employment opportunities, and many cities have moved to provincial capitals.

　　Therefore, the age structure of Sichuan and the capital cities of the central populous province is still relatively young. The proportion of people aged 65 and above in provincial capital cities is mostly below 14%, and the proportion of working-age population is still relatively high.

　　In contrast, the degree of aging in Northeast China is deeper. According to the data, there are 36 cities in the three northeastern provinces, all of which have entered the stage of deep aging.

　　Yi Baozhong, a professor at the Northeast Asia Research Institute of Jilin University, analyzed the First Financial Report. The enterprises in Northeast China are mainly state-owned enterprises, and many employees are in state-owned enterprises and administrative institutions, so family planning is strictly implemented. In addition, the industrialization in Northeast China is early, the urbanization rate and education level are relatively high, and the concept of raising children and preventing old age similar to that in rural areas is relatively indifferent. In addition, Northeast China is an immigrant society, which is less influenced by the traditional concept of fertility, and the overall population birth rate and fertility rate are relatively low.

　　According to Yi Baozhong’s analysis, due to the economic downturn in Northeast China in recent years, there are not many employment opportunities, so young people continue to flow out. Whether they are admitted to universities or not, many people go to the southeast coast for employment, which will also affect the age structure of the population.

　　Guangdong, Fujian and other places have a low degree of aging.

　　There are also many deeply aging cities in Shandong, Jiangsu and Zhejiang in the east. Among them, 14 of the 16 cities in Shandong province have entered the deep aging, and the other two cities, Zaozhuang and Liaocheng, are also very close to the standard of deep aging. At present, Shandong’s population aged 65 and over has reached 15.36 million, making it the province with the largest total elderly population in China.

　　From the perspective of three age groups, Shandong has the characteristics of "high at both ends and low in the middle", that is, the working-age population accounts for a relatively low proportion, and the elderly population and children population account for a relatively high proportion, which is also related to the population outflow in Shandong in recent years.

　　Among the 13 cities in Jiangsu, the second largest economic province, 10 cities have been deeply aging. Among them, Nantong, Taizhou, Yangzhou and other central Jiangsu areas are the most aging. Niu Fengrui, a researcher at the Center for Urban Development and Environment Research of China Academy of Social Sciences, told the First Financial Reporter that the degree of aging in Yancheng and other places in central Jiangsu and northern Jiangsu is relatively high, which is related to the strict implementation of family planning and the high proportion of only children in the past. In addition, many young people in this area also flow to Shanghai, Suzhou and other places, so the degree of aging is increasing.

　　Ding Changfa, an associate professor in the Department of Economics of Xiamen University, analyzed the First Financial Report. Jiangsu and Zhejiang have always been economically developed areas in China, especially Jiangsu, which has earlier urbanization, higher living standards and great changes in the concept of childbearing.

　　Tang Hairu, deputy director of the Expert Committee of Hangzhou Planning Commission, analyzed CBN, and from the general law of economic development, the more developed the economy, the more obvious the declining birthrate. On the one hand, personal energy is limited, and I hope to put more energy into the improvement of living standards; On the other hand, in economically developed areas, the cost of children’s education is also rising.

　　Among the 11 cities in Zhejiang, 6 cities have been deeply aging, mainly in northern Zhejiang and along the coast of Hangzhou Bay. Tang Hairu said that in the past, family planning was strictly implemented in northern Zhejiang and along the coast of Hangzhou Bay, and the birth rate was relatively low, so the proportion of aging was relatively high. However, Wenzhou and Taizhou in the southeast of Zhejiang have relatively strong traditional concepts, relatively higher fertility rates and relatively low aging.

　　In other words, the traditional concept of fertility has a significant impact on the fertility rate and aging degree of a place. Compared with the developed areas in the Yangtze River Delta, the aging degree of Guangdong, Fujian and Wentai areas in the southeast of Zhejiang is relatively low. The data shows that among the 21 cities in Guangdong, only one city, Meizhou, has entered a deep aging. Among the nine cities in Fujian, only Nanping, a mountainous city in northern Fujian, has entered a period of deep aging. Influenced by traditional ideas, these places have a relatively high fertility rate.

　　In addition, including the Pearl River Delta and Fujian coastal areas, there are a large number of migrants flowing in, so the degree of aging is relatively low. For example, the population of Shenzhen aged 65 and over is 565,217, accounting for 3.22%, which is the lowest proportion in the country. In addition, the proportion of Dongguan is only 3.54%, which is the second lowest in the country; The proportion of cities such as Xiamen and Zhongshan is also very low.

Topic: 2008 US Presidential Election

Biden at the age of 10.

At the age of 30, he endured the pain of losing his wife and was sworn in as a senator before his son’s bed.

　　In 1972, Biden celebrated his 30th birthday with his first wife and two sons. Not long after, his wife died in a car accident.

In 1977, Biden and his second wife just met.

Biden took a group photo with his family last Christmas. Biden and his wife now have three children and five grandchildren.

　　To understand Biden, his strength, his tenderness, his integrity and his achievements today, we must first understand the family he grew up in and his special life experience.

　　On November 20, 1942, Biden was born in a middle-class family in Pennsylvania, USA. He was the eldest son of the family, and he also had three younger brothers and one younger sister. At the age of 10, the Biden family moved to Delaware. Biden did not come from a political family. His family was Irish immigrants, and his father was just an ordinary car salesman.

　　Biden’s father is a devout Catholic and has a traditional concept of paying attention to family. This special family and religious background has also influenced Biden’s life, making Biden a person who values family life. Biden recalled that his outlook on life, family and even world were deeply influenced by Catholic ideas. Biden believes that his childhood was deeply influenced by former American President John F. Kennedy, who was also the first Catholic president in American history.

　　Biden stuttered when he was a child. In order to get rid of this bad habit, Biden insisted on reciting long poems in front of the mirror since childhood, which not only made him get rid of the stuttering problem, but also laid the foundation for him to become an excellent political speaker in the future. In high school, Biden was very keen on participating in sports activities. He once said that he was an amateur athlete at that time. Biden said: "Sports is my innate talent, but speech is the result of hard work the day after tomorrow." Biden, who was a child, especially liked playing the flute.

　　Part-time law professor

　　Biden graduated from the University of Delaware in 1965, majoring in history and political science. In 1968, he graduated from the Law School of Syracuse University with a law degree. Biden was qualified as a lawyer in Delaware in 1969. He once worked as a lawyer. At the age of 29, he was elected as a federal senator and embarked on a political path. Since 1991, Biden has been a part-time law professor at the Law School of Widen University in the United States, mainly teaching constitutional courses to graduate students of law school.

　　Biden is a heavyweight in foreign policy. He has served in the Senate for 10 years longer than the experienced Republican presidential candidate John McCain and nearly 30 years longer than Obama. Biden just returned from Georgia on the 18th of this month. He participated in the mediation of the Georgia-Russia conflict at the invitation of President Saakashvili. The conflict between Georgia and Russia makes Americans more inclined to choose a leader who is stronger than international affairs.

　　Car accidents have taken awayHe loves his wife and daughter.

　　Text/Washington, DC Special Reporter Zheng Jialiang Our reporter Li Mingbo

　　Beneath Biden’s strong and optimistic appearance, there is also a painful life experience. More than 20 years ago, just as he was enjoying the spring breeze in politics, a car accident took away his beloved wife and young daughter, and his two sons were seriously injured. Our reporter revealed Biden’s tortuous life track to us through interviews with insiders.

　　In the spring of 1964, Biden found his love while vacationing in the Bahamas. A New York girl, Neglia Hunt, came into his sight. Biden later recalled that he sneaked into the hotel swimming pool just to see her more. "The love between us belongs to love at first sight. I will always remember the first time I saw her. At that time, the sunset that was about to set shone her beautifully."

　　In 1966, although Neglia’s parents objected to Biden’s marriage because of his Catholic background, Biden married Neglia Hunt when he was a sophomore. They have given birth to three children, two sons and a daughter. A few weeks after Biden was successfully elected to the Senate in 1972, his life changed greatly. His wife, Neglia, was in a car accident on the way to bring the Christmas tree home. She and her 1-year-old daughter Naomi were killed in the car accident, and their two sons were also seriously injured in the car accident. Biden was in Washington to deal with government affairs, so he escaped.

　　Biden, who had just embarked on a smooth career, was almost crushed after this heavy blow. Biden, who was hit hard, once intended to quit politics, but he decided to take office in the Senate after being persuaded by his colleagues and friends. At that time, Biden was sworn in as a senator by his son’s hospital bed. Today, Biden still stopped work on December 18, the day of the car accident, to mourn.

　　What is even more touching is that in after the car accident for decades, Biden traveled back and forth between Washington and Delaware by train almost every day to meet his family and take care of his two sons who were injured in car accidents. Now, under Biden’s careful care, his two sons have fully recovered. It was this touching life experience that made him have a strong affinity, and Obama took a fancy to him.

　　Biden later recalled that when he learned the bad news of the car accident, despair, grief and numbness came at the same time, and he even thought he had come to the end of the world. He said: "At that time, I really understood how people feel desperate, and I can understand why some people choose to commit suicide as an irrational behavior. I feel that God is playing a terrible trick on me, and I am really angry. "

　　Biden married his second wife, Jill Jacobs, in 1977 and had a daughter, Ashley. Biden’s eldest son, Bao Biden, was elected as the attorney general of Delaware in 2006. Currently, Bao Biden is the captain of Delaware National Guard. According to the plan, he will go to the front line of Iraq to serve in October this year. Biden’s second son, Hunter, is currently a lawyer and once worked in the US Department of Commerce.

　　Biden himself almost died of illness in February 1988. He was admitted to hospital with a cerebral aneurysm and returned to the Senate seven months later.

　　Youngest in history: elected senator at the age of 29

　　Biden once worked as a lawyer, and later went into politics. Biden was elected as a senator at the age of 29, making him the youngest senator in American history. Biden has more than 30 years of political experience since he was first elected as a member of the National Assembly in 1972, and today he is the chairman of the Senate Foreign Relations Committee.

　　Participated in the general election twice in 1998 and 2008.

　　Biden participated in the Democratic presidential primary in 1988 and promised to "rekindle the idealistic flame of our society". He reluctantly withdrew from the primary election three months later after the media revealed that he had plagiarized a speech by a leader of the British Labor Party.

　　On January 30, 2007, Biden filed with the Federal Election Commission and formally participated in the 2008 US presidential election. But because the competition between Obama and Hillary Clinton soon became the focus, Biden’s presidential campaign ended in failure. On January 4, 2008, Biden failed in the first primary (Iowa) and immediately announced his withdrawal.

　　Achievements in internal affairs: effectively fighting crime

　　Biden is also very active in anti-drug and crime, and put forward the law to control violent crimes. In 1994, the law became law, and it was called Biden Act. According to this law, more than 100,000 policemen took to the streets to patrol, which greatly reduced the occurrence of street criminal cases in the United States. Among them, the content of protecting women from violence is the first legal provision in American history to comprehensively protect women. In order to reduce campus crime, he also advocated legislation to prohibit students from drinking alcohol in school social activities. He is an active advocate of the Democratic Party’s policies in environmental protection, social welfare, agriculture and the protection of small businesses.

Editor: Zhang Renhe