future的計價是以漲跌算的，成本不重要，成本隻是要求你的帳戶裏麵有足夠多的錢

來源: funnyornot 於 2023-09-20 19:45:57 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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