這樣解釋是對的,但涉及到一個政治問題:富人製造的環境汙染要大家埋單和石油企業私有化的提議受責疑,.

來源: 老商於 2015-03-06 05:54:44 [舊帖] [給我悄悄話] 本文已被閱讀：次

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