In general, there are two way of traveling, private cars and public transportation. Chinese people should regard public transportation as their first traveling opinion. First, there are so many people living in this countries that make it so crowded. If each chinese people own a car, there will be far more traffic jams and accidents, which increase you impatience. Moreover, there will be far more pollution resulted from cars. Once a car started, it release huge amount of dirty gas and heat, which lead to great pollution and result in green house effect. All in all, chinese people should take public transpotation into consideration first.