边际成本很低，但收入极高。

Lowmarginal cost, high incremental profit.

我们必须区分一下平均成本、边际成本和平均边际成本的概念。

We must distinguish between average cost , marginal cost , and average marginal cost.

我们必须区分一下平均成本 、 边际成本和平均边际成本的概念.

We must distinguish between average cost, marginal cost, and average marginal cost.

零边际成本。

Zero marginal cost.

当边际成本等于边际效益,就是活动停止的时候.

People stop at the point where the marginal cost equals the marginal benefit.

边际成本是增加一生产单位的成本增加.

Marginal cost is the incremental cost on producing one more unit.

提高证明标准, 边际收益递减,边际成本递增.

With the raising of proof criterion, the marginal revenue increases and the marginal cost decreases.

风险投资周期由项目边际增加值和项目边际成本共同确定。

Risk investment cycle is determined by marginal added-value and marginal cost of projects.

文章认为，个人教育投资的均衡条件是边际成本等于边际收益。

Condition of personal education investment is that marginal cost equals to marginal revenue.

从分析的目的上来说，关注边际收益和边际成本曲线会更重要些。

For analytical purposes, it is more important to focus on the marginal revenue and marginal cost curves.