謝謝，好文。三十年前在國內讀研的時候和同學們常常打橋牌，出來後就停下來了。爭取慢慢的撿起來，重新學習。

來源: FollowNature 於 2022-11-05 03:01:00 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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