结尾除了给予总结的正常论述外，还给予了解决的方法和建议，这样的论述更具说服力。
总之，汽车极大地改变了人们的生活方式，其影响要超过其他任何一种交通工具。但最终消除过度使用汽车造成的环境危害是全世界长久树立的目标，这是一个艰巨的任务。然而，通过顺利实施更多有效的交通法律法规以及提高公共意识, 汽车的污染问题将会减少。
In conclusion ,the automobile , more than any other mode of transportation, has greatly changed people’s lives. It is a long-cherished aim of the whole world to finally eliminate the harms done by people’s excessive use of private cars. In no way is it an easy task. Nonetheless, through the smooth implementation of more efficient traffic laws and regulations as well as the enhanced awareness of the public，the pollution of cars will be reduced.
