It def made me more humble by knowing there were such

来源: 树的花花世界 于 2021-03-18 07:32:43 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (123 bytes)
本帖于 2021-03-18 07:34:17 时间, 由普通用户 树的花花世界 编辑
回答: Informative and thought-provoking! 由 LYJiang 于 2021-03-17 21:08:10

Achievements the ancient made. Compare to them, the modern people have not gain much progress at all! 

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