在兑换外币时 on exchange foreign currency. 上午我兑换了我所有的外币，给自己买了一套还算过得去的衣服。 In the morning I changed all the foreign money in my possession,and bought myself a passable suit off the peg. 保存好这张兑换水单以便兑换回外币。 Keep this exchange memo for reconversion into foreign currency. 保存好这张兑换水单，以便兑换回外币。 Please keep the exchange memo for reconversion into foreign currency. 请到外币兑换处兑换。 Please change your money at the foreign money exchange agency. 外币兑换 A foreign exchange exchange of foreign moneyforeign currency exchangeforeign exchange (FX)把外币兑成人民币 exchange foreign money for Renminbi 外币兑换商店:money-exchange
