铁路和水运的得分基本相等,但是空运分值最差,比货运对气候的影响要大至少42倍。
Rail scored nearly as well, but airplanes scored far worse, affecting climate up to 42 times more than trucking did.
基本元素和问题形成旅客和船货运输系统。
Fundamental elements and issues shaping traveler and freight transportation systems.
尽管铁道部通过大量建设已经降低了相关的成本,但是“买美国货运动”的压力仍然会使中国对美国的一些基本设备的出口变得困难。
But while the ministry has brought costs down through enormous economies of scale, "buy American" pressures could make it hard for China to export the necessary equipment to the United States.
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