他们忙着参观城市和农村的不同地方，每天下午2点到晚上提供免费服务。
They were busy visiting different places in the city as well as countryside and offering free service from 2 p.m. till evening every day.
斯卡赛拉提说：“有一点很明确，机器人可以为顾客提供护理服务，而在未来这一需求会更多。”
"One thing is clear," Scassellati says, "Robots can provide care for the customers and the need for that will increase in the future."
分析师可以添加到模型服务元素，这些元素表示提供实施点的已存在服务。
The analyst can add to the model service elements that represent pre-existing services that provide enforcement points.
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