數學終究要運用於某些領域，經濟學就是一個。隻是本科經濟科學個毛皮，讓人誤會以為經濟學容易。

來源: MMMMM06 於 2024-03-01 21:20:05 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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