Now consider how a seat belt law alters the cost-benefit calculation of a rational driver.
现在思索安全带法律怎样改变了一个理性的司机的成本-利益的计算。
ROI is a simple calculation once you have the components; it is total benefit minus total cost.
当你有了ROI的成分后计算它是很简单的事情,ROI 就是总收益减去总成本。
The approach I will walk you through has two financial calculation components: the total cost of ownership and the estimated benefit.
这个方法包括两个部分财务计算:总拥有成本和估计收益。
应用推荐