制造业流失不是从奥巴马才开始，现在的工作比以前更有生产力

来源: fourwaves 于 2016-12-04 08:42:58 [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.