現在還有人怕COVID怕到這地步的麽。所有同事和學生都得過了，我沒測過也不去測。。隨便。。

來源: borisg 於 2023-05-28 17:05:32 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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