In most large cities around the globe, sewage and wastewater gets processed at a treatment plant.

地球上大多数大城市，污水和废水都在水处理厂处理。

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Today in most large cities, water is used only once and then sent out into a sewer system.

今天在大多数的大城市里，水仅仅被用过一次，之后就被送到了下水道。

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Today, in most large cities, water is used only once and then discharged into a sewer system.

今天，在大多数大城市，水是仅使用一次，然后排入下水道系统。

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Manila, like most of the world's large cities, suffers from a huge and problematic urban sprawl.

CNN: ASIANOW - Travel Watch | Manila City Guide: Environment

Like their predecessors in earlier periods, most immigrants are concentrated in a few large cities, such as Los Angeles, Miami, and New York City, and 45 percent of immigrant students who have been in the United States for three years or less are enrolled in California schools.

UNESCO: II Part Analytic Section

The no annual fee Citi Hilton HHonors Visa Signature Card from Citibank offers a sign-up bonus large enough for a few free nights in most cities.

FORBES: Sweet Dreams: Best Credit Cards For Hotel Rewards