back-up process

例句：

1. 1. The backup process ensures that we have a copy of the data in case the main system fails.
   备用过程确保我们在主系统失败时有数据的副本。
2. 2.During the recovery process, the system will be shut down and restarted.
   在恢复过程中，系统将被关闭并重新启动。
3. 3.The company implemented a fallback process in case of power outages to ensure business continuity.
   公司实施了一个备用过程，以防电力中断，以确保业务连续性。