補充一句，古時的開放交流是以戰爭形式來實現的，是強製性的

來源: 通州河於 2020-09-10 13:22:04 [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.