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Nowadays, riding bicycle is more and more popular in Beijing. That is because it is very convenient to ride bikes to work or to go to the school. If you buy a car now, it is not only costly but also dirty the air. However, if you buy a bike, it helps to save your money, meanwhile you can keep healthy by riding bike. In addition, it does not harm to the environment and it helps to save energy. I like bikes, because I do not have so much money to buy a car, and most importantly, I want to help protect the environment.
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