老張是退休了拿著美國退休金，回去再靠名氣割韭菜的。數學家出成果的時候都是四十歲之前，年紀越大越不可能出成果。

來源: 咲媱於 2025-08-27 11:34:17 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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