free foreign exchange

例句：

1. 1.The company is offering free foreign exchange to its employees for their overseas travel expenses.
   该公司为员工提供海外旅行费用的免费外汇。
2. 2.The government has introduced a new policy that allows citizens to freely exchange their foreign currency for local currency at designated exchange offices.
   政府推出了一项新政策，允许公民在指定兑换处自由兑换外币为当地货币。
3. 3.The exchange rate of the foreign currency was determined by the market demand and supply, which influenced the price fluctuations in the foreign exchange market.
   外币汇率由市场供需决定，这影响了外汇市场的波动。