少數能夠堅持學習的,最後都成了美國的科技人才

來源: 開國際玩笑於 2013-12-04 09:56:23 [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.