理論要和實踐相結合：-）沒有任何理論原地踏步而能生存下去的。

來源: 方家胡同於 2019-08-05 14:08:35 [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.