A foreign exchange的用法和样例：
- He is a foreign exchange broker.
- I'd like to be a foreign exchange settlement clerk.
- Could you supply a foreign exchange loan to us?
- Where can I find a foreign exchange office?
- Have you ever filed a complaint against a Foreign Exchange Dealer, Securities Broker or Commodities Dealer?
- This is a foreign exchange shop, can not bargain at the scene of the farmers market.