premed是背功，吃的了苦就能搞定。好的數學直覺是要從小多年訓練的，這點和訓練體育能力很象，過了那個節點就沒戲了

來源: whaled 於 2024-10-17 20:25:06 [舊帖] [給我悄悄話] 本文已被閱讀：次

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