零和游戏的定义是两方，一方赢，一方输！赌博是最典型的零和游戏！你这情况，谁赢了谁输了？期权交易算是零和。

来源: hhtt 于 2024-11-15 07:13:33 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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