With the development of science and technology, the cars have already become the important component in our daily life gradually. Cars make our life convenient and swift. However, too many cars have caused very serious social problems. Some people claim that the disadvantages of car are more than the advantages. I doubt whether the argument can bear much analysis.

　　Since one century [ago], the auto industry has [been] developed at full speed worldwide, and has brought the enormous progresses to our life. For example, the car is the most convenient tool of transportation. We can [be] on and off duty by car every day, we can go to travel by car on the vacation, we can utilize the cars to deal with some emergency too. The car [is] playing an important role in our daily life. They make our rhythm of life faster and faster, make our business become more and more efficient.

　　On the other hand, the development of the automobile has brought a lot of infant industry to people, Give people countless employment opportunities too. Such as, manufacturing industry, repairing industry and maintaining industry. We are enjoying the convenience that the cars bring to us; at the same time we can utilize the auto industry to support ourselves.However, we can not ignore that too many cars cause enormous social problems, for example, traffic jam, air pollution, traffic accident, to which we have to find a solution.

　　In a word, the cars have brought enormous change to our life; the advantages are far more than the disadvantages. We should recognize the merit of the cars, and do our best to solve the problems. If so, our life will be brighter.