Everyone is going to drive electrically-powered cars. So in a few years, people won't worry about running out of gas. 每个人都将驾驶电动汽车,所以在未来几年内,人们将不用担心汽油耗尽。
Once attached to the rail, the car will become electrically powered from the system, and control of the vehicle will pass to a central computer. 一旦连接到轨道上,汽车将由系统提供电力,由中央计算机控制。