Product/market fit means that the cost of acquiring a new customer is less than the marginal profit we make from that customer.

那么当产品切合市场需求，意味着获得一位新客的成本少于从该新客赚取的边际利润。

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Knowledge capital is one of originally inherented productive factors of a firm in knowledge economy era, and firm marginal profit space has been extended obviously with increasing knowledge capital.

知识资本是知识经济时代企业内生性生产要素，其边际收益递增的区间明显扩大。

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The first one is based on forecasted marginal price and takes profit as optimizing goal, this model can give IPP a valuable reference when they are making their bidding strategy;

该模型对发电企业竞价策略的制定和运营方式的优化具有现实的指导意义和参考价值：前者有助于发电企业制定有利于本企业取得最大化利润的竞价决策；

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Once a course is done and WGT has recouped its costs from the first several thousand players, it makes a healthy marginal profit from each additional player who tees off.

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Marginal cost begins to exceed average cost, creating a profit margin despite competitive pressure to price to marginal cost.

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Much of the development cost of a new drug is paid by the US market (yes, this is why you pay higher prices than most Europeans do) meaning that as long as drugs in, say, Greece are sold at above the marginal cost of production they still make a profit.

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