利润，并不像一般想象的那样，仅仅简单的依靠销售额，同时和凯恩斯所强调的边际成本和价格之间有着不同一般的关系。

Profits do not simply depend on sales volume, as commonly believed, but also on the critical relationship Keynes emphasized between marginal costs and prices.

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以具有竞争力的成本状况，合适的销售价格，优良的服务态度，建立与客户的买卖交易关系，准确地履行营销合同，为企业获得利润。

With the competitive cost, suitable sales price, fine attitude, establish the business relationship with customers, fulfill the contract accurately, and gain profits for the company.

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