foreign exchange rate的用法和樣例：
例句
- The government's figures have a steady influence on the exchange rate.
政府形象對外匯匯率有穩定作用。 - International foreign exchange rates were pegged to fixed values for gold.
國際外匯匯率是以黃金和美元的固定價值來定價的。 - The refund will be according to the exchange rate of the refunding day.
返還費用以返還日當日外匯牌價匯率兌換。
