To evaluate the cost/benefit tradeoff of our approach, which we call PBR-UP, we performed a case study in the context of a small software development project (an object-oriented information system).

为了评估我们的方法的成本/收益的权衡，我们称其为 PBR-UP，我们在一个小的软件开发项目环境中做了一个案例研究（一个基于对象的信息系统）。

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Study of Satety Economy can benefit from this method and put Safety Analysis to coal mine, and then settle the problem of the optimization of maximizing Safety Function against minimizing Safety Cost.

安全经济研究可以很好地运用这一方法对煤矿企业进行安全分析，从而解决安全功能最大化和成本最小化之间的优化问题。

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The study showed that the method can obtain zeolite 4A with simple production flowsheet, low cost and better economic benefit.

用该方法合成4A沸石可以简化生产流程，降低生产成本，能取得较好的经济效益。

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They commissioned a study, a cost-benefit analysis of smoking in the Czech Republic, and what their cost-benefit analysis found was the government gains by having Czech citizens smoke.

他们资助了一项研究，进行在捷克吸烟的成本效益分析，分析结果显示,让捷克人民吸烟，能让政府获利。

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Recently a detailed study conducted by the researchers at Columbia University has indicated that the cost-benefit ratio of using da Vinci surgical system to perform hysterectomies is not favorable at all.

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