file recovery

例句：

1. 1. After a hard drive crash, we need to file recovery to recover lost data.
   硬盘崩溃后，我们需要文件恢复来恢复丢失的数据。
2. 2.The company provides file recovery services for customers with sensitive data.
   该公司为客户提供敏感数据的文件恢复服务。
3. 3.The recovery process can take several hours, depending on the extent of the damage.
   恢复过程可能需要几个小时，这取决于损害的程度。