栏目简介:
Getting lost in a big shopping mall will be a thing of the past if these robots are around. Some malls in town are already using the robots to help customers find their way. Our reporter Wu Ying checks it out...
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栏目简介:
Getting lost in a big shopping mall will be a thing of the past if these robots are around. Some malls in town are already using the robots to help customers find their way. Our reporter Wu Ying checks it out...