自19世纪末人类发明汽车以来,汽车在100多年里极大地改变了我们的工作和生活方式,带来了便捷和高效率。最近10年中国汽车保有量之所以急剧增加,最主要的原因之一,是中等收入群体持续扩大,促使消费结构发生了很大变化——由“衣食”型转向“住行”型。汽车数量膨胀带来的是诸多矛盾:汽车尾气成为城市主要的空气污染源;许多城市包括一些中小城市,堵车现象日益严重,且事故频频发生……笔者认为,重视和努力解决这些问题固 Since human beings invented cars at the end of the 19th century, cars have greatly changed our work and lifestyles for over 100 years, bringing convenience and efficiency. One of the most important reasons for the sharp increase in the number of car ownership in China in recent 10 years is that the middle-income group has been expanding continuously, prompting a drastic change in the consumption structure - from “clothing and food” to “accommodation” type. The expansion of the number of cars brings about many contradictions: automobile exhaust has become the major source of air pollution in cities; many cities, including some small and medium-sized cities, the phenomenon of traffic jams is becoming increasingly serious and accidents occur frequently. In my opinion, attaching importance to and resolving these problems