At present,our country's traffic is very crowded.Many cities in our country is to promote public bicycles .So people advocate "green travel,low carbon life".
On for the topic,talk about the benefits of promoting public bicycle:the first ,rent is at any time,convenient travel ;The second,it can make traffic easily;The third ,riding a bicycle can protect the environment .
That's all .So we should ride a bicycle to go out .
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自己编的,不知道有没有错误,但是还是希望能帮助到你.