人家WHO都寻证，循证，精确数字化了，所以，我才很困惑。哈哈，我是不是太认真，执着了，哈哈。

来源: 大江川于 2014-06-03 16:20:56 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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