副本备份
双语例句原声例句
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许多软件公司明文规定要求用户进行一次副本备份。
Many software companies make an express provision for the user to make one back up copy.
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You really need that because if you have only one copy of something, you don't have a backup; so, you can store the one copy separately.
你真的很需要这项发明,因为要是你只有一份的话，你就没有备份;,这样的话，你就可以将副本单独留存。
应用推荐
$firstVoiceSent
- 来自原声例句