merit and defect of the car
...try has earned a large amount of money for our country every year. It is an important part for composing the GDP of our country. And it is playing a significant role in our social life. It saves a quantity of time that was used to walk, ride bicycle or wait for bus. It creates a lot of values by saving our time. It enhances the quality and efficiency of our life in some degree, it offers us a more comfortable and free life style, it changes our life in a great extent. However, it also makes a great deal of problems. In the first state, many cars running on the road lead to numerous traffic jam which greatly affects on the advantages of the car, such as high rapid and good efficiency. In creasing number of people were killed not only by growing number of serious traffic accidents but also by traffic congestion. Second, a large volume of exhaust gas has been polluting the ozone layer which leads to a great deal of environment issues. The last state, many kinds of cost on car would happen to you, for example, the cost of petrol, the cost of washing, and the charge of transport department. All...