这不但使对分布式站点数据更新变得更为容易，而且当服务器变得不可用时为数据存储提供了备份。

This not only makes it far easier to keep distributed sites up-to-date, but provides a backup repository in the event a server becomes unavailable.

youdao

为了帮助您备份站点数据库，我建议安装和启用 Backup 和 Migrate 模块。

To help you back up your site database, I recommend installing and enabling the Backup and Migrate module.

youdao