These days, a robot dog is popular. Let’s learn more about it.
On October 19th, a worker brought a robot dog to Mount Tai. It carried about 40 kg of heavy objects! And it walked lightly and freely along the mountain roads of Mount Tai. The tourists were amazed (大为惊奇). They took out their mobile phones to take videos.
____△____ Some people believe that technology changes our lives. However, some people think that Taishan’s porters (挑夫) make money by carrying things. If the robot dog takes their jobs, what will they do?
What do you think about this?
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