恢复文件其实也很简单，您可以使用有预留参数的S3Sync，也可以通过另一个工具，比如amazon S3 File Manager(见参考资料)，检索单个文件。

Restoring files is just as simple. You can either use S3Sync with the parameters reserved or retrieve an individual file through another tool, like Amazon S3 file Manager (see Resources).

youdao

其实，一个简单的 “撤销” 就会使所有的内容都恢复 —— 但是这要求您不惊慌并关闭文件，或者试图回复到上一次保存的文件。

What you won't see is that a simple "undo" would bring it all back -- but only if you don't panic and close the file or try to revert to the last save.

youdao

恢复属于 READ-ONLY 表空间的丢失数据文件其实是一项很简单的任务。

To recover a loss datafile that belongs to READ-ONLY tablespace is an easy task indeed.

youdao