有經濟和環境兩方麵的考慮。即便沒有peak，每桶90多刀比20年前的20多刀還是貴多了吧？

來源: 趙飛燕於 2014-09-11 08:42:40 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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