a back-up copy的意思|示意

Just as you save your essay constantly so you don't lose your work, or back up your entire hard drive in case it crashes, it's prudent to have a copy of your social media data.

就像你经常保存你的文章以免丢掉工作成果，或是备份你的全部硬件驱动以防它的崩溃，为你的社交媒体数据保留一份备份是一个谨慎的做法。

Make a back-up copy of this kernel source tree using the command.

使用下面的命令制作内核源代码树的一个备份拷贝。

Customer may install and use one copy of the SOFTWARE on a single computer, and except for making one back-up copy of the SOFTWARE, may not otherwise copy the SOFTWARE.

客户可安装和使用本软件的一个副本在一台计算机，并除用于制作一个备份副本的软件，不可以否则复制本软件。

If you make a mistake, copy the file back onto your site from the backed up files.

如果你出了什么错误，把备份文件复制回来。

As soon as Team a development branch reaches a stable point they copy back up to the mainline.

只要团队A的开发代码线达到稳定的一个点，他们就可以将代码复制回主线。

Make a back-up copy of the banner.jsp file.

建立banner . jsp文件的备份副本。