我不知道什麽是“代表”和“心態”。我知道欲了解代表性，起碼多問幾個與他相近的人的觀點，就這相近，都會有大偏差

來源: 吾於 2017-05-13 18:17:09 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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