污染对公众健康的使边际社会成本差(MSC)超过边际私人成本(MPC)。
The pollution is bad for public health so that the marginal social cost (MSC) is exceed the marginal private cost (MPC).
命案的边际社会成本明显高于其他案件，其数量应控制在比其他案件更低的水平。
As the marginal social cost of homicide cases is significantly higher than that of other cases, their Numbers should be kept at lower level.
补贴也会产生超额负担，因为它们鼓励人们消费一些估价小于其生产的边际社会成本的商品。
Subsidies also create excess burdens because they encourage people to consume goods valued less than the marginal social cost of production.
当证明标准的边际社会收益等于边际社会成本时，社会净收益实现了最大化，证明标准达到了最佳程度。
If the proof criterion's marginal social revenue equated its marginal social cost, the social net revenue would reach its maximum, and the proof criterion would be most appropriate.
当证明标准的边际社会收益等于边际社会成本时，社会净收益实现了最大化，证明标准达到了最佳程度。
If the proof criterion's marginal social revenue equated its marginal social cost, the social net revenue would reach its maximum, and the proof criterion would be most appropriate.
应用推荐