Back it up, and copy it to a ZIP drive and USB keychain (just make sure it exists in several places and is clearly marked).
备份此版本，并将其复制到ZIP驱动器和USB设备上(只需确保它存在于几个位置并清楚标记)。
Back it up, and copy it to a ZIP drive and USB keychain (just make sure it exists in several places and is clearly marked).
备份此版本，并将其复制到ZIP驱动器和USB设备上(只需确保它存在于几个位置并清楚标记)。
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