absolutely NOT

来源: 用户名被占用了 于 2012-02-23 13:11:12 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (150 bytes)

keep 2 copies in 2 different format

1 copy on external hard drive

1 copy in cloud storage (you might pay a little fee for that)

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