Marginal extraction cost — The cost of mining an additional unit of resource.

边际抽取成本——增加额外一单位资源的我的成本。

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Social marginal cost — the cost of producing an additional unit of the resource that is borne by society at large. Generally includes private marginal costs plus external marginal costs.

社会边际成本——每增加一单位的资源使得社会收益增大的生产成本。总体包括个人边际成本加外部边际成本。

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Marginal opportunity cost — the additional cost of providing the last unit of good as measured by what is given up.

边际机会成本——提供最后一单元商品的额外成本，慎重的做出放弃什么。

youdao

Or if you prefer, the marginal cost of one more unit of production is near zero.

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For economists, the average value of a good or service is usually less important than the marginal value the cost or benefit of one more unit.

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