一些家庭里已经有机器人做家务。的翻译：Some of these families have robots do the housework. 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

Some families have robots doing housework.

Some of these families have robots do the housework.

In some families already had the robot to do the housework.

Some families have robots to do housework.

Some of these families have robots do the housework.