之所以使用机器人做家务，就是为了能帮你省下时间来做别的，但奇怪的是，盯着Roomba，看它是如何对付障碍物这种事，简直令人欲罢不能。
Domestic robots are supposed to free up time so that you can do other things, but watching how the Roomba deals with obstacles is strangely compelling.
50年以后，我们会有自己的机器人来帮助我们做家务，生活将变得更简单更舒适。
After 50 years, we will have our own robots help us with the housework, and the life will become easier and more comfortable.
50年以后，我们会有自己的机器人来帮助我们做家务，生活将变得更简单更舒适。
After 50 years, we will have our own robots help us with the housework, and the life will become easier and more comfortable.
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