還是PPP計算資產比較好。你的棉花怎樣了？我看到有數據顯示，去年國內農產品產量都漲了，唯獨棉花產量下跌。

來源: 看熱鬧的北京人於 2015-01-23 07:07:02 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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