COMEX 是一个“以规则保证履约”的体系，而不是“以实物保证履约”的体系。

来源: 大千歌后于 2026-02-02 17:36:06 [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.