焦油砂的温室气体排放量比普通石油高40%，露天采矿已经极大地破坏了阿尔伯塔的北方气候带森林。

Greenhouse gas emissions of tar sands crude are 40% higher than conventional oil, and the open-pit mining has devastated Alberta's boreal forest.

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由于沿岸的营养流失和过度捕捞，海洋生态系统遭受由于海岸带侵蚀造成的水体营养水平改变，还有过度捕捞，也极大破坏了几乎全球各地的食物网。

Ocean ecosystems are beset by changes in nutrient levels due to run off near the coasts and by overfishing, which plays havoc with food webs nearly everywhere.

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下面10个简单的事情，将极大提升你被录用的可能性：带著合适的表情、知道什么是不该说的，以及绝对不要流汗等等。

Here are 10 things to do that will dramatically increase your chances: from wearing the right expression, to knowing what not to say, to never ever breaking a sweat.

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Milton participated with extraordinary enthusiasm and considerable zeal in the establishment of England's new, non-monarchic government, initially a commonwealth and then what we can think of as a republic.

弥尔顿带着极大的热情,参与了组建英国的非君主制新政府的过程，这一政府起先是联邦制,后来可认为是共和制。

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