TED演讲:石油真正的代价(4)
And the Athabasca River drains downstream 阿萨帕斯卡尔河下游 to a range of Aboriginal communities. 即原住民聚集地 In Fort Chippewa, the 800 people there, 奇普怀恩堡有800位居民 are finding toxins in the food chain, 食物链中含有毒性物质
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If you went to a top university -- let's say you went to Harvard or Oxford or Cambridge -- 如果你去顶尖学府,像是哈佛,牛津,或者剑桥 and you said, "I've come here because I'm in search of morality, guida
奥巴马每周电台演讲:Priorities on Taxes
President Obama lays out his priorities for the coming discussion about tax cuts, calling for compromise but making clear he cannot accept $700 billion in deficits or an increase in middle class taxes