他们在一辆无人驾驶汽车里，史密斯的面前是一个小桌板，他正拿着一台平板电

They were in a driverless car. Smith was in front of a small table. He was holding a tablet computer to study carefully. The screen showed a model of ice skates. Smith kept zooming in and out with his fingers. What problems are being studied.

They were in a driverless car, and in front of Smith was a small tableboard, he was looking closely with a tablet computer, and the screen showed a model of ice-skating shoes, and Smith kept looking at his fingers, as if studying the problem.

They are in a driverless car. In front of Smith is a small table board. He is studying carefully with a tablet computer. The screen shows a model of skate shoes. Smith keeps zooming in and out with his fingers, as if he is studying some difficult problem.<br>