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1·The main cleaning mechanism is basically a Bissell carpet sweeper-one of those rug cleaners that is often found in college dorm rooms.

主要的吸尘机制基本上是“比斯尔扫毯器”，它是大学宿舍最常见的扫毯器之一。

2·When the first robot carpet-sweeper sucks up a baby, who will be to blame?

如果出现第一台地毯清扫机器人吞进婴儿的情况，到底谁该负责？

3·When the first robot carpet -sweeper sucks up a baby, who will be to blame?

如果出现第一台地毯清扫机器人吞进婴儿的情况，到底谁该负责？