暴力是人类最原始、最本能的武器。文明时代暴力受到法律严格管制,但一个自认为经常受到不公正对待的人,感觉一无所有而肆无忌惮的时候,潜意识中的暴力基因就会激活。而当今社会戾气弥漫,偏激行为不时挑战底线,任何行业都不可能独善其身,超脱于暴力风险之外。暴力事件频发并不意味着不同行业、人群受到侵害的机率平均分布。笔者提出一 Violence is the most primitive and instinctive weapon of mankind. Violence in a civilized age is strictly controlled by the law, but a subconsciously violent gene activates when one considers himself to be often subjected to unfair treatment and feels nothing at all. In today’s society, filled with indignation, extreme acts from time to time to challenge the bottom line, any industry can not be aloof from the body, detached from the risk of violence outside. The frequent occurrence of violent incidents does not mean that the average probability of being violated by different trades and people is equally distributed. I propose one