讲这种事情，必须做简化讲主体，不可能面面俱到全覆盖。比如投资，股票市场就五花八门，包括margin。从未来借钱投资，

来源: 蒋闻铭于 2026-04-16 12:12:25 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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