穷文富武，并不等于富必习武啊。请搞清什么叫充分条件，什么叫必要条件。

来源: 咲媱于 2024-07-01 09:06:17 [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.