City traffic. 城市交通。1 What's the traffic like in your ci

City traffic. 城市交通。1 What's the traffic like in your city? Good or Bad? 2 What about the traffic in first rate city like BJ or SHG? 3 what's the reason of the traffic problem ? 4 More and more people drive private cars because of the convenience. Do you think it's good for everybody to own car? Why? 5 How to solve the traffic problem and better protect the environment. 200字左右