interface exchange process

例句：

1. 1. The computer's keyboard has a physical interface for theuser to interact with.
   计算机键盘有一个物理接口供用户交互。
2. 2. The new software interfaceis designed to be user-friendly.
   新软件的界面设计得非常用户友好。
3. 3.The engineers were working on improving thecommunication interface between the two systems.
   工程师们正在努力改进两个系统之间的通信接口。