Tray removal has been hailed as a means to reduce food and water waste by encouraging students to only carry what they will eat.

通过鼓励学生们只带走他们要吃的东西，不使用餐盘被视为一种减少食物和水的浪费的好办法。

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Waste water is pumped from the factory into a nearby river.

工厂里的污水被抽到了附近的河里。

《牛津词典》

Some factories stop waste water from running into rivers.

一些工厂阻止废水流入河流。

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Rinderpest can spread quickly through the air and in water containing waste from animals with the virus.

VOA: special.2010.11.02

Charles Moore and his team at the Algalita Marine Research Foundation have spent ten years studying plastic waste and testing water from the ocean.

VOA: special.2009.09.22

Undigested phosphorus in their waste can pollute water supplies.

VOA: special.2010.02.02

Where lots of water, aggressive washing and sandpaper was once the norm for creating that worn vintage look, lasers and and ozone gas cameras are now being used to minimize water waste and chemical runoff.

CNN: Happy Birthday, blue jeans! We made you this photo album

The ratings will cover eight broad categories: education, health care, water and waste water utilities, energy utilities, cities, counties and states, transportation, ports and airports, U.S. Treasuries and agency debt.

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Because the company is a leader in its field of water and waste-water treatment in China, it has enjoyed access to bank financing in the past, and has even been able to raise capital in the United States by selling its shares on NASDAQ.

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