West Virginia 几十年前以前没那么落后。著名的 John Nash 就来自那里，我觉得是教育的问题

来源: STEMkid 于 2024-07-16 10:48:00 [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.