很多人对癌症的恐惧都超过对其他疾病的担忧，你可能也不例外。
Like many people, you probably fear cancer above all other diseases.
所有的担忧都没了，因为地球也不过，会存在不超过50亿年。
All the worries are over, because the Earth is not going to survive for any more than five billion years.
今年春天福岛核电站发生事故，加剧了人们对气候变化的担忧，也引发了全球对能源未来的争论。今年也不例外。
With the meltdown at the Fukushima Daiichiplant this spring, increased concerns about climate change, and a global debate over the future of energy, this year is no exception.
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