他们必须避开其他车辆、变换车道、转弯、进出停车站点，并应付一些固定物体的障碍——自始至终，都要遵守交通规则，并且车速要保持在限速之内。
They will have to avoid other cars, change lanes and make turns, get in and out of parking spots and deal with inanimate objects—all the while obeying traffic laws and staying within the speed limit.
无控制出入路段交通事故起数与路段长度、车道数、限速、接入口密度、中央分隔以及公交车站设置有显著相关性。
Moreover, higher severe crash risk is generally associated with intersections with small angle and countdown signal, and road segments with higher side access density and presence of bus stops.
等我有钱了，我就买一辆公交车，专门走公交专用车道，专门停在公交车站，等有人想上车了，我就说：对不起，这是私家车。
I'd like to buy a bus when I am rich, go on the road special for bus, stop at bus stops, I would tell them, sorry, this is private if somebody want to get on.
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