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。

I want to make sure that things are safe, that they are effective, and there are no unexpected side effects or consequences. 海伦·斯托克斯·兰帕德 皇家医学院院长 “我很高兴见到养老院以及整个国民医疗服务体系越来越多地使用科技。 这里有巨大的潜力。