TED是一係列演講，全世界各地都有組織。國內也搞過。

來源: keessa 於 2015-03-02 14:48:49 [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.