我提供一個思路：如果學數學去西北，因為芝加哥有數學好的孩子可以考慮的礦工機會，近水樓台啊

來源: 兩女寶媽於 2024-05-16 06:20:42 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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