上次看到你的截圖，我最近買了幾本數學書，放在床頭櫃，LD問我這是打算念數學的Master嗎？

來源: 專業潛水媽於 2024-07-17 08:31:36 [舊帖] [給我悄悄話] 本文已被閱讀：次

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