就是啊，固步自封就難以進一步發展。毛澤東還知道跟美國關係不要搞得太僵呢。

來源: 馮墟於 2022-12-09 12:20:50 [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.