In conclusion , the use of private cars has both advantages and disadvantages of different treatments. In my opinion, The use of private vehicles make us comfortable, safe. But in life, you have to be adaptable with others. Try something new has been used. The bus, although not as comfortable as using a private car, but it can help reduce air pollution. As a result if everyone turned to buses, air pollution reduction from the original. Problems or traffic accident occurred on the road may be reduced