泽勒，德国籍足球运动员，前卫。
这可能比预期的要长，但泽勒和史密斯希望 Hitch 能吸引尽可能多的乘客。
It might be longer than expected, but Zeller and Smith want Hitch to get as many rides as it can.
你可能认为这是一个笑话，但史密斯和泽勒的实验有一个严肃的观点：机器人和人能相处吗？
You might think it's a joke,but Smith and Zeller's experiment has a serious point: can robots and people get along?
史密斯和他的朋友弗劳克·泽勒制造了 Hitchbot，因为他们想看看人们是否会停下来让机器人搭车，并与之交谈。
Smith and a friend, Frauke Zeller, have built Hitchbot because they wanted to see if people would stop and give the robot a lift and talk to it.
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