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第一个就是马斯克讲的就是我们人类的世界是field for human beings。有很多的设备，它是按照人的身高。电力设备是按人的身高设计的，狗形态的机器人很难够到2米高的电柜。
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are to copy and to extend (append), with "slicing" being common enough that
"Anecdotally, we are seeing more patients presenting with gallstones," Hewes said.