备份，备份，再备份——确保自己有一套可靠的方式备份文件。
Backup, backup, backup - Make sure you have a reliable way of backing up your data.
该软件对用户设计十分友好，即便你不确定是否需要花钱升级到高级版本，但下载一个助力你的本地备份是再适合不过。
The software is very user friendly, and even if you're not sure if you want to commit to paying for an online backup service, it's worth a download just to automate your local backups.
但现在再考虑一个车厂或印刷机，成千上万的几乎相同的汽车，书籍或报纸的备份被制造出来。
But now consider a car factory or a printing press. Thousands of near-identical copies of cars, books, or newspapers are churned out.
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