exchange force

例句：

1. 1.The two countries have been exchanging forces to maintain peace.
   这两个国家一直在交换力量以维护和平。
2. 2.The exchange of ideas between the two countries has greatly enhanced their cooperation.
   两国之间的思想交流极大地增强了他们的合作。
3. 3.The exchange of information between different departments is essential for effective decision-making.
   不同部门之间的信息交换对于有效的决策至关重要。