| 例句 |
Currency-conversion costs remain one of the biggest obstacles to cross-border trade.货币兑换成本仍是跨境贸易的最大障碍之一。If you are offered a commission-free currency exchange, make sure that you are getting the official exchange rate.如果有人向你提供免佣金的货币兑换服务，一定要确保兑换按官方汇率进行。There are no charges for currency conversion.货币兑换不收费。Exchange is largely controlled by big banks.货币兑换业务主要由大银行控制。 |