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2013-05-23 12:21
求翻译：There are different ways in which people try to deal with the problem of energy．One way is the greater production of common energy sources（能源），such as coal，oil and gas．The trouble with these sources，however，is that they are not renewable．Another way is energy conservation，which means using energy better．Thirdly，renewab是什么意思？ 待解决
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There are different ways in which people try to deal with the problem of energy．One way is the greater production of common energy sources（能源），such as coal，oil and gas．The trouble with these sources，however，is that they are not renewable．Another way is energy conservation，which means using energy better．Thirdly，renewab
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