你占用带宽越多，互联网供应商花的成本越高。

The more you use, the more it costs an internet provider.

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在午餐时间让你占用一个四人桌的机会成本非常可观。

At lunchtime the opportunity cost of letting you take up a table for four is substantial.

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当然，保留这类数据的一个缺点是占用磁盘空间，但在许多情况下，在需要时能够使用这些数据的优点远大于其磁盘空间成本。

The drawback of keeping this much data is, of course, disk space, but the benefit of having this data available when needed outweighs the cost in most cases.

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A lot of people in the financial community are annoyed by them because these regulations are costly to comply with and they take a lot of resources.

很多金融界人士对其烦不胜烦,因为执行规范条例的成本很高,一旦执行,占用太多资源

耶鲁公开课 - 金融市场课程节选