The role of statistical inference is to estimate the best parameter values or constants in an assumed cost function.

的作用，统计推断是估计的最佳参数值或常数的假设成本函数。

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Goods, once they have been made, are assumed to move instantly and at no cost from place to place.

人们常常假定货物一旦被制造出来，就可以立即从一个地方转移到另一个地方，而不需要任何费用。

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In this case the cost in time and energy is assumed to be repaid in some way by the advantages of being part of a successful group.

在这个情况下，时间和精力付出上的代价可能以一个自己成为某个成功组织的一部分的优势的形式予以回报。

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Well, it means that Stern is wrong in his discount rate, that the currently assumed social cost of carbon emissions is too high, that we should almost certainly be doing less about climate change than is currently planned and finally, that we should, again almost certainly, aim for more economic growth even at the expense of carbon emissions and climate change than is currently thought optimal.

FORBES: Nature on Uncertainty: Climate Change is Less Important Than We Thought

Hotel costs significantly drive the economic impact of a bowl game, as this is generally the highest cost assumed by bowl attendees.

FORBES: Holiday and Poinsettia Bowls Bring Millions of Dollars to San Diego

Obama aides argue that the cost estimates assumed by the McCain team make no allowance for savings most Americans would see as a result of reduced health care and energy expenses, and jobs created by investments in new environmentally friendly industries.

CNN: Economy takes center stage in bruising political ads