怎么区别incident和accident和occurrence还有event,求详解

怎么区别incident和accident和occurrence还有event,求详解 incident,occurrence,event,accident的区别 incident,accident和event有什么区别 incident,accident,event,affair 和 business的用法区别? incident和event的区别 accident,incident,event的区别 accident和incident的区别? accident event afffair incident 的区别 event incident accident matter problem区别 谁能告诉我下incident和accident区别 occurrence,incident有什么区别?要简明, incident accident problem 区别