Not all of the difference is profit. There are many other costs, such as research, design, marketing and patent fees, as well as the retailer's own costs.

手机的利润不是简单地由零售价减去出厂价，其中还包括很多其他成本，例如：研发、设计、市场营销和专利费，当然还有零售商收取的费用。

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Pay particular attention to hiring someone to do the one job that you love and could continue doing very competently (whether that is coding, design, marketing, sales, or finance).

对于你钟爱有加又能持续而出色完成的职位(无论是编程、设计、营销、销售，还是财政)，一定要雇人来做。

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There are many other costs, such as research, design, marketing and patent fees, as well as the retailer's own costs.

除了零售商自己的成本之外，还有其他的一些成本，比如说研发，设计，市场，以及外观设计的成本。

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