youdao

The president wants to spend $105 billion over the next five years to improve the nation's motorways and mass transit systems.

总统要在今后五年花费1千零50亿美元来改善该国的公路和公共交通系统。

《柯林斯英汉双解大词典》

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。

youdao

In the wake of the bombings, cities in the United States and Europe boosted security in and around their mass transit systems.

VOA: standard.2010.03.30

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

Urban planners advise that cities with populations of more than 2 million should have mass transit systems.

FORBES: Delhi's Subway Builder

Over the next 20, it could build as many as 170 new mass transit systems.

WHITEHOUSE: President Obama on Infrastructure Investment

This led New York authorities to step up security on the city's mass transit systems.

CNN: From Long Island to Lahore: The plot to bomb New York