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最佳答案：The airplane is quick,but the expense is big,suits long-distance,the train is co
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最佳答案：The increase of private cars has brought more and more serious air pollution and
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最佳答案：方便的公共交通---convenient public transportation
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最佳答案：If you choose the cost of private cars is to choose ten times the cost of public
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最佳答案：部分倒装句Never before has this city been in greater need of modern public transport
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最佳答案：If there is any swifter and more convenient way of transportation,people can giv
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最佳答案：1,Abolish charges of Nanjing Second Bridge and Third Bridge for traffic diversio
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最佳答案：The air polution is becoming more severe.I think the main reason for that is man
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最佳答案：You must write your composition in no less than 120 words on the COMPOSITION SHE
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最佳答案：1,They just put money into a charging box2,We can use public transportation card