比如你的臭襪子，就算你還做同樣的臭襪子，隻要生產技術改進、生產效率提高，也叫產業提升，懂？

來源: mapell22 於 2014-08-03 16:30:35 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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