科学家们正尝试着设计一些小型车,它们可能终有一天会代替现在的大型车.现在一辆常见大小的车占据的空间,可以容纳下三辆这样的车.将来如果每个人都开这样的车,那么空气污染就会减小,城市里会有更多的停车场,街道也不再这么拥挤了.
Scientists are trying to design some mini-cars,which can eventually substitute current large cars.The space occupied by a common sized car currently can hold three such cars.In the future,if everyone drives such a car,the air pollution will be mitigated,as well,there will be more parks in cities,and the street will be no more crowded.