他们在游击区四处流动的时候，就用息票交换朋友们借予的金银。
While running here and there in the guerrilla areas, they exchanged coupons for gold and silver loaned by friends.
负责外汇交易，货币期权，货币市场交易，债券，流动利息票据，欧元CD……
They cover foreign exchange, currency options, money market transactions, bonds, floating rate notes, Eurodollar CDs, …
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