全部

1·Do you have a currency conversion service for changing FEC into foreign currency at the official rate?

你们有按官方汇率把人民币兑换成外币的服务吗？

2·Capital flow is sensitive to interest rate and foreign exchange rate, a small spread may lead to large-scale currency conversion and arbitrage activities.

而国际资本流动对利率、汇率波动的敏感程度较强，微小的利差、汇差就可能导致大范围的货币兑换和套利行为。