求翻译：在经济学和金融学中，边际成本指的是每一单位新增生产的产品（或者购买的产品）带来到总成本的增量。 这个概念表明每一单位的产品的成本与总产品量有关。是什么意思？

In economics and finance, the marginal cost per unit refers to new products (or products purchased) to bring the total cost of the increment. The concept that the cost per unit of product and total product volume.

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In the economic and in the finance study, the marginal cost refers is each unit increases the production the product (or purchase product) brings to the total cost increase. This concept indicated each unit the product cost and the total production output concern.

In economics and finance, marginal cost is each unit within the meaning of new products (or product purchased) bringing to the total costs of incremental. This concept indicates that the per unit cost of the product and the total quantity of products concerned.