因为美国人不能不吃牛肉，不喝牛奶，所以不能减CH4。得是发展中国内可以不发展，所以要限CO2。

来源: coolwin 于 2014-07-12 21:53:01 [旧帖] [给我悄悄话] 本文已被阅读：次

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