越到極限那差別越小，也越難超越。

來源: 薛成於 2018-05-02 18:45:14 [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.