AP writers Melissa Goldin, Tim Reynolds and John Wawrow as well as the Canadian Press contributed.
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而肯德基则在加速门店增长的同时，开启了新品牌的拓展。
"When you go around research labs, or you talk to start-ups, they have really good sensors, and then you ask them how long they work. They say 'six months'. That's great for R&D... but in industry, I want this robot to work for 10 years," he says.