在此类模型中，成本值就变成了通过使用资产获得的回报。

In such a model, the cost metric turns out to be the returns obtained from using the asset.

youdao

我自己的看法是，在“老年保险”方面他提出的开支控制虽然完全正确，但从近期看，奥巴马的回报期望值可能过高。

My own view is that while the spending controls on Medicare he proposed are exactly the right way to go, he's probably expecting too much payoff in the near term.

youdao

It would be vulgar, he believes, to speak of justice, or any virtue in terms of material rewards or consequences.

他相信，如果在谈论正义或任何美德时,仅以物值回报或后果作为衡量标准。

耶鲁公开课 - 政治哲学导论课程节选