affair business event matter thing 的区别

affair business event matter thing 的区别 affair,thing,matter,business的区别 event ,matter,issue, affair的区别 incident,accident,event,affair 和 business的用法区别? 能说一下business,affair,matter的区别吗? event, matter, thing, affair这几个单词有什么不同? event 与affair 的区别? affair和event的区别? affair、incident、matter、thing都有什么区别? affair与thing之间的区别 event,accident,matter的区别 event和thing的区别