關鍵國內汙染太厲害,窗外的空氣比室內的髒太多.國人喜歡開窗純粹是習慣和心理作用.

來源: 999朵玫瑰於 2012-08-02 14:25:50 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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