摘要
改善车辆安全的一种途径是减少道路事故的发生。日本汽车制造企业Nissan开发了以一种电子系统，可帮助驾驶，员控制和其他车辆以及和前车的距离。
The best way of improving vehicle satety is to cur the number of traffic accidents that take place on our roads. To orevent all-too common tail-end collisions, Japanese carmaker Nissan has developed an electronic system that helps drivers control the distance between themselves and the vehicle in front.
