There were as many serious problems when cars were parked as when they were traveling at 90 m/h
问题描述：
There were as many serious problems when cars were parked as when they were traveling at 90 m/h
答
汽车停车导致的问题跟汽车以90米每小时的速度开车导致的问题几乎一样多.
车速我也不知道规定多少,大致是停车造成的事故之类的问题跟超速开车一样严重