For those of us that spend most of our lives on the ground, this may be counter-intuitive, but driving has potholes, cobblestones, pedestrians, other drivers and a rather long and detailed list of federal motor vehicle safety standards to contend with.
这对我们一辈子生活在地上的人 是有点异想天开， 开车会碰上坑洞，石子 行人，其它车辆 还有一大堆 政府对机动车辆安全的规定要遵守