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Robot as the greatest innovation in 20 century, and its function had already been very perfect though a long time. Hundred years ago, it was impossible but now it comes true.
why we innovation robot? Main purpose is that let robot help people to do the work which human being can not do
I should study hard and to innovation and research robot,let them become our friends

The technology of robot has tended to be perfect through a long period of development as one of the most great inventions in 20th century.It used to be impossible hundreds of years ago ,while now it is exactly the fact.Why do people make robots?They want them to do the work which is impossible or hard for human beings .
We should study hard so as to invent robots ,study them and make them our good friends.