ROI is calculated by dividing net benefits (benefits minus costs) by costs.

ROI的计算方法是净收益(收益减去成本)除以成本。

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Based on the benefits and costs, Forrester calculated an ROI of 32 percent with a break-even point of 2.0 years after deploying Informix (see Figure 2).

根据这些收益和成本，Forrester通过部署Informix之后两年的盈亏平衡点计算了32%的ROI(见图2)。

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Some biofuels cause more health problems than petrol and diesel, according to scientists who have calculated the health costs associated with different types of fuel.

统计过使用不同燃料需要付出之健康代价后，有科学家指出，某些生物燃料引起的健康问题更甚于汽油和柴油。

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The survey calculated costs separate for the four different social classes in Brazil (Classes A-D).

FORBES: A Million Dollars: What It Costs To Raise A Kid In Brazil

Three-quarters of the increases in F-35 support costs reported by the Pentagon have resulted from changes in the scope of work being analyzed or changes in the methodology for how costs should be calculated, rather than rising costs in the program.

FORBES: Massive Cost Estimate For Fighter Program Is Misleading

Backblaze has calculated the relative costs of bandwidth and storage over time.

FORBES: Cloud Computing: the Economic Problem