只是理论性的“论断”。还应说明具体概念的同异，包括可操作性。

来源: 遍野无尘于 2014-12-19 18:31:51 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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