I can't afford to retire. personally I prefer working

來源: doitthen 於 2010-01-30 08:59:46 [] [博客] [舊帖] [給我悄悄話] 閱讀數 : (66 bytes)
回答: 博士／博士生請進 由 doitthen 於 2010-01-30 07:49:26

while studying, like taking one course per semester or per quarter

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