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我們都知道吃素對環境有利,也對動物有利,但對於吃慣肉類的我們,確實有些難以改變。Graham Hill提出一項務實、有力的建議:上班日吃素。
Graham Hill is the founder of TreeHugger.com; he travels the world to tell the story of sustainability, and tweets at @GHill. Full bio »
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