Railways as the country's essential infrastructure, the main artery of national economy, popular mode of public transport, in a modern logistics system plays an important role.
铁路作为国家重要的基础设施、国民经济的大动脉、大众化的交通工具，在现代物流体系中起着重要的作用。
The convenience of modern freeways, railways and airplanes makes travel in America as easy as pie.
现代高速公路丶铁路和飞机使得在美国旅行很容易。
The convenience of modern freeways, railways and airplanes makes travel in America as easy as pie.
现代高速公路丶铁路和飞机使得在美国旅行很容易。
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