as is known to all, china is popular for its emperor of bicycles. this is because our country is still a developing country and few people can afford private cars. the demand for a means of transport is met by making millions of bicycles available.

　　riding a bicycle has a lot of advantages over driving a car. first, it is a physical exercise to ride a bicycle. in contrast, sitting in the car, one tends to gain weight. besides, it is nmch more economical to ride a bike than drive a car. on the one hand,the only fee a bike-rider has to pay is the annual tax. however, the annual fees for a car are costly. on the other hand, a bike needn't be equipped with a parking lot, but a car must. most important of all, it is beneficial to the environment to ride a bicycle because the bike doesn't consume petrol; it is a pollution-free transport. in contrast, the exhaust released by the car is harmful to the environment.

　　since china is a developing country with a large population, bicycles will still be the most popular means of transport in china for quite a long time. most people will still ride bicycles to go to work or to school. the emperor country of bicycles will remain for at least dozens of years.