The marginal cost of distributing the story more widely is close to nil, but the marginal benefit can be considerable.

散布新闻到世界各地的成本可能接近于零，但从中产生的微薄的利润确实相当可观的。

A rational decisionmaker takes an action if and only if the marginal benefit of the action exceeds the marginal cost.

一个理性的决策者只有当一个行动的边际利润大于边际成本时，才会采取这项行动。

The paper analyzes the relationship between non-linear demand curve and marginal benefit curve by means of mathematical methods from 3 aspects.

采用数学方法，分三种情况分析了需求曲线与边际收益线之间的关系。

Based on the general micro-analysis of motives of outsourcing, the boundary of exhibition services' outsourcing depends on the marginal benefit and cost.

基于外包动机的一般微观分析，展览服务外包的边界取决于外包的利益与成本的边际考量。

This paper describes cost-benefit analysis of electric power network reliability planning by defining the concepts of marginal cost and marginal benefit.

通过定义可靠性边际成本与可靠性边际效益概念，阐明电网规划中的可靠性成本一效益分析问题。