The robot is navigating itself and is programmed to stick to paths and pavements. And if it finds something blocking its way, in this case me, it should work out what to do. 工作人员设定好地址之后，凯拉的货物就 上路 了。

In five or ten years’ time, most keyhole surgery in this country is going to be done with robotic assistance, and it’s been a slow growth over the last ten years or so, but we are now at the stage ...

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