The opportunity cost of spending $17 on a CD is what you would havedone with the $17 instead, and perhaps the value of the time spentshopping.

花17美元买一张CD的机会成本，就是你用这17美元所能做的其他事情，或许还有你购物所花费的时间价值。

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The value provided should be so visibly more than the cost as to make detailed cost accounting clearly a waste of time.

产出的价值应该会明显高于这种成本，做详尽的成本核算显然是浪费时间。

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The value of that reclaimed teaching time more than pays for the cost of having a recess expert in the school.

这些教学时间的价值远远超过了雇用一名休息教练的花费。

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Each of these companies has a created an operating system that people invest their time and money in, systems that value the sunk cost in both time and money and penalize the long slog of moving to another digital planet.

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At the same time, deflation eats into the value of homes, increases the cost of investment credit for corporations, reduces profits and even wage packets.

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The sooner the cost of the asset can be recouped, given the time value of money, the greater effect it has with respect to the amount of tax paid by the owner.

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