边际变动 meaning in English

marginal changes

When exams roll around , your decision is not between blowing them off or studying 24 hours a day , but whether to spend an extra hour reviewing your notes instead of watching tv . economists use the term marginal changes to describe small incremental adjustments to an existing plan of action . keep in mind that " margin " means " edge " , so marginal changes are adjustment around the edges of what you are doing
当考试临近时候,你的决策不是在放弃考试或一天学习24小时之间的选择,而是是否多花一个小时复习功课而不看电视.经济学家用边际变动这个术语来描述对现有行动计划的微小增量调整.记住"边际"指"边缘" ,因此,边际变动是围绕你所做的事的边缘的调整