Take mass transit. The Obama stimulus would designate a chunk of money for the upgrading or expansion of mass transit systems, in part through the purchase of new subway and light rail cars.

以公共交通为例，奥巴马的刺激计划将提供公共交通系统升级和扩大的资金，用于购买新地铁车厢和轻轨车厢。

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The researchers say that an environment based on mass transit influences health, because rail users are get exercise walking to and from stops.

研究人员说，基于轨道交通环境影响健康的水平，因为铁路使用者正在走路锻炼。

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Concern over air pollution has revived interest in light-rail transit and has led to regional mass transit systems.

对空气污染的忧虑使人们对轻轨运输重新产生兴趣，促成了地方性运输系统。

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Eighty billion dollars of that total was to be pumped into the U.S.economy to promote development of renewable energy, urban mass transit, high-speed rail systems and clean energy jobs.

VOA: standard.2010.02.25

Legislators like Christine Loh say there is a far better transport solution: mass-transit rail.

CNN: From Our Correspondent: Getting Back On Track

We talked about mass transit and the excellent rail lines that are being developed in Shanghai.

WHITEHOUSE: President Obama Holds Town Hall with Chinese Youth

That change in perception is providing more momentum for some cities that were already moving away from six-lane highways and suburbs dozens of miles apart, to a series of urban centers connected by light rail and other mass transit systems.

CNN: U.S. cities scrambling to meet rising mass transit demands