[] () a type of investment that allows you to exchange an amount of one currency for another at an agreed exchange rate within a particular period of time 货币期权（在某一期限内按商定的汇率将一定数量的货币兑换成另一种货币的投资）◆We use currency options to guard against foreign exchange risk. 我们使用货币期权来防范外汇风险。