通过使用常规的完整备份(换句话说，包括所有的文件)和增量(diff)备份(其中仅备份变更的内容)，您可以进一步延长其保留时间。

By using a regular full backup (in other words, all the files) and a diff backup where you backup only changes, you can extend the duration still further.

youdao

通过使用常规的完整备份(换句话说，包括所有的文件)和增量(diff)备份(其中仅备份变更的内容)，您可以进一步延长其保留时间。

By using a regular full backup (in other words, all the files) and a diff backup where you backup only changes, you can extend the duration still further.

youdao