自行车或汽车

　　bicycles and cars are both important vehicles. the car is fast and the bicycle can be easily parked.

　　bicycle or car, which do you prefer the americans and the chinese usually have different choices. the americans prefer the car because they have been brought up together with the car. they go everywhere by car. but we chinese like bicycles better.

　　first of all, it is very cheap, which is very important to people in a developing country. secondly, it is much smaller than the car, therefore, it is easier to find a place to park it . and thirdly, it doesnt make any pollution, so it is good to our environment.