marginalisevt.使边缘化；排斥=marginalize（美）.marginaladj.边际的；末端的；仅以微弱多数获胜的；微小的marginal degree of utility边际效用程序,边际效用度marginal zone of optic cup视杯缘层Marginal loss coefficients网损系数法marginal financial service边缘金融业务marginal x-ray apparatus限界X线机, 软X线机marginal propensity to tax边际课税倾向marginal economic benefits边际经济效益marginal carpellary bundle心皮缘维管束marginal land productivity边际土地生产率Marginal consumption trend边际消费倾向