2017年8月7日，浙江宁波，宁波轨道交通2号线宁波火车站启用一款当地研发的智能向导机器人，具备查询票价、打印线路图、帮忙拎东西等功能。图为乘客在跟智能机器人“小D”对话。[视觉中国]
Passengers talk with a smart robot at Ningbo Railway Station in Zhejiang Province, on August 7, 2017. The smart robot has been activated to help passengers search for ticket fares, print route maps and carry their luggage. [Photo/VCG]