One example is the waste electricity factories.

废弃的电力工厂就是例子。

youdao

Turn off the lights so you don't waste electricity.

把灯光关了，这样您就不会浪费电力。

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We'd better not waste electricity, paper and so on.

我们不应该浪费纸张和电力等等。

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When you're done using your computer, it might seem green to shut it down and not waste electricity.

FORBES: Magazine Article

Transphorm aims to solve the multi-billion dollar problem of power waste whenever electricity from the grid is converted into usable electric power.

FORBES: Google, Soros Gamble on Power Electronics Pioneer

Meanwhile, scientists from Nanyang Technological University in Singapore have invented a new toilet that turns human waste into electricity while reducing the amount of water needed for flushing by up to 90 percent.

ENGADGET: Inhabitat's Week in Green: energy-harvesting toilet, LED lightbulb overhaul and a floating, solar-powered resort home