城市交通状况;交通工具及好处;缓解交通压力;让人满意或不满意的地方
Q：What is the most efficient transportation in your country?
The most efficient transportation in my country, I’d say, is subway. First, it is really convenient for the passengers to arrive at their destinations as it almost covers every corner in our city. And second, compared with bicycle, it has high speed, people don’t need to worry about their time, traffic jam or parking space. What’s more, subway is far more eco-friendly than vehicles. So frankly speaking, subway is the most efficient transportation.
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