此DB由Vendor，且只維護其備份的翻译：The DB Vendor, and only maintains its backup 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

The db by the vendor, and only maintain its backup

The DB Vendor, and only maintains its backup

This DB by Vendor, also only maintains its backup

By the DB Vendor, and 只 maintaining its backup

The DB Vendor, and only maintains its backup