backup storage

例句：

1. 1. We need toback up our data regularly to ensure it's safe in case of any disasters.
   我们需要定期备份数据，以防万一发生灾难。
2. 2.The company has a backup storage facility in the basement.
   该公司在地下室有一个备份存储设施。
3. 3. To prevent data loss, we should always have an offsite backup storage solution.
   为了预防数据丢失，我们应该总是有一套远程备份存储解决方案。