單論人，是挺實在的一個人。堅持談何容易，尤其難得出成果的領域，需要非凡的定力。。。

來源: 塵凡無憂於 2022-01-06 10:07:56 [博客] [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.