Itcontrols the traffic lights and ensures the safety of the people getting in and out of the stadium.
它控制交通灯，确保获得进出体育场馆的人群安全。
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As we learn more about the DNA in human cells and how itcontrols the growth and development of cells, then maybe we can explain a very important observation.
No computer could ever come close to that! The brain weighs just 3 pounds, but itcontrols everything you do from thinking, learning, feeling even to breathing and your heart beating.