This is quite useful, as you can mount a snapshot and recover files that were previously deleted or check previous versions of files.

这一点非常有用，因为可以挂载快照，然后恢复之前删除的文件，或者检查之前版本的文件。

youdao

MENENDEZ: "I'm just not here a blank check. I said that in the previous administration, and as much as I respect this one, I believe the same standards have to apply."

VOA: standard.2009.05.12

Also be sure to check out previous GRS resources on the pros and cons of gift cards and tips and tricks from readers.

FORBES: Consumers Bear The Risk With Gift Cards

Unlike some Web-based phenoms, the location check-in service Foursquare has an obvious potential business model: local ads based on your geographic location, perhaps coupled with inferred interests from your previous check-ins.

FORBES: Foursquare's Dennis Crowley: It's Still About Growth, Not Ad Money (Yet)

But you can check back on some previous outings.

FORBES: Why Do Americans Hate Their Best Companies?