exchange sort

例句：

1. 1. They exchanged their stories for a cup of coffee.
   他们用一杯咖啡换了彼此的故事。
2. 2. The company exchanged its shares with the government.
   公司与政府进行了股份交换。
3. 3. Exchange rates can fluctuate significantly during economic crises.
   在经济危机期间，汇率波动显著。