network-archive snapshots 快速拷贝系统
archive snapshots
归档文件的快照
以上为机器翻译结果，长、整句建议使用 人工翻译 。
On the Internet, a nonprofit organisation called the Internet Archive does the same thing, aiming to store regular snapshots of the Web for future generations.
ECONOMIST: Who has a closet without a skeleton?
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