mindmap root((事情)) affair suggests action or performance and may imply a process, an operation, a proceeding, an undertaking, or a transaction: the resounding success of the whole ~. business stresses duty or office and implies an imposed task: quality is everyone's ~. concern suggests personal or direct relationship to something that has bearing on one's welfare, success, or interests: viewed the issue as of no ~ to them. （to have bearing on: 和...有关系,对...有影响: your credibility has bearing on your success信誉关系到成功） matter generally refers to something being considered or being dealt with: the one remaining ~ in dispute. （如what is the matter?什么事?） thing is often used when there is a desire to be vague or inexplicit: a promise to see the ~ through.