你意思是欧洲不用纸，东方不用微积分？

来源: 冯墟于 2023-01-28 11:45:16 [博客] [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.