要和同一個人種比較，黑人比白人笨有其曆史原因

來源: ERommel 於 2014-01-05 11:38:21 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.