Railway transportation includes urban express railways, subways, light rails, and trolley cars.

铁路运输包括城市高速铁路、地铁、轻轨、有轨电车。

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Trolley buss es buss es and subways are efficient transportation means at different stages of time.

有轨汽车、公共汽车、地铁在不同时期都是有效率的交通工具。

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Trolley transportation system causes the excessive number of operating inefficiencies, and the number of vehicle maintenance rate.

输送系统小车数量过多造成运行效率低下，而小车数量维修率上升。

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"Trolley-New Orleans" shows a close-up image of people on a public transportation vehicle.

VOA: special.2009.03.23

Southeastern Pennsylvania Transportation Authority, which provides mass transit in the Philadelphia region, resumed service on its subways, trolley lines and most bus routes.

WSJ: Travelers Face a Nightmare