A exchange bank的用法和样例：
- We are an authorized foreign exchange bank and can change them for you.
- Today, Have you been a exchanging guest?
- They point to Seoul's reluctance to endorse HSBC's acquisition of Korea Exchange Bank as one sign of frostiness.
- The bank is a ten minutes' run from the hotel.
- Payment is made by designated foreign exchange bank other than those in the cities and counties under the jurisdiction of domiciled SAFE.