With the development of science,more and more people are confused that whether it is good or bad to make robort. Are roborts going to take place of human beings.
I would like to introduce a new cleaning machine which is called Robot vacuun cleaner. You will find it impressive. It can free your time by free your hand. When you are watching TV， it will quietly finish the floor cleaning for your house。
My family has a sweeping robot, every morning when I get up, he will sweep the floor, so our house is very clean
