大家都搜：
边际井；边际利益井
1、marginal seat───边缘座位
2、well well well───很好很好
3、marginal cost───[会计]边际成本（经济学专有名词）；n.边际成本
4、marginal change───n.极限变化；边际变动
5、marginal benefit───边际收益；边际效益
6、marginal product───[经]边际产品，边际产量；边际[限界]产品
7、marginal effect───边绝效应；缘界效应；边绝（缘界）效应
8、marginal utility───边限效用；[经]边际效用
9、marginal───adj.微不足道的，不重要的；边缘的；临界的；末端的；n.边缘席位
1、Market prices serve well if there is no strong reason to believe they depart from social marginal costs.───如果没有充分理由认为市场价格偏离了社会边际成本，市场价格就是很好的尺度。
2、The tribunals were established for the well-integrated members of society and not for marginal individuals.───这个特别法庭是为社会中的主流人群设立的，而不是为了无足轻重的小人物。
3、Because they have found a niche where they are needed. And because they have done so, society's most marginal people have a place where they are needed as well.───因为他们发现了他们被需要的那个小角落，他们正是这么做的，社会中最边缘的人都能够有一席之地。