Hxen.com's tips：Every day persisted can learn English well!-->■Learn English Everyday■
rear-end – v. to hit the back of one car with another in an accident
insurance – n. in agreement in which you pay a company money and they pay you costs if you have an accident injury, etc.
automatic – adj. something controlled using machines and not people
brake – n. a device that makes a vehicle go slower or stop
consequence – n. a result of a particular action or situation, often one that is bad or not convenient
countermeasure – n. an action taken against an unwanted action or situation
