收入分組定義也有問題：“中間階層和非中間階層的差異，…是非中間階層的3.5倍。”非中間組包括了高收入人群？如果不是，用詞錯誤

來源: 遊水皖魚於 2015-12-28 05:49:44 [舊帖] [給我悄悄話] 本文已被閱讀：次

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