每天腐烂的垃圾释放出大量的对气候有害的混合气体，而多半都是甲烷，它使地球变暖的速度是二氧化碳的20倍。

Everyday, the decaying trash releases large quantities of a climate-harming gas cocktail. More than half of the landfill gas is methane, which warms the planet 20 times faster than carbon dioxide.

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多亏真菌从沙子中释放出营养，才使树木和其它植被生存下来。

Trees and other vegetation manage to survive thanks to fungi that release nutrients from the sand.

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有能量释放出来，但是，在这种情况下，不是能量使连锁反应不断地进行下去。

There is energy given off, but in this case that is not what keeps the chain going.

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