因為美國人不能不吃牛肉，不喝牛奶，所以不能減CH4。得是發展中國內可以不發展，所以要限CO2。

來源: coolwin 於 2014-07-12 21:53:01 [舊帖] [給我悄悄話] 本文已被閱讀：次

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