但是武力可以保障在某個國家投資最安全，用某種貨幣交易最有信用保障。美國全世界的駐軍就是保障美元是最安全的交易貨幣。

來源: Christy_BJ 於 2015-08-07 20:51:59 [舊帖] [給我悄悄話] 本文已被閱讀：次

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