The changes are expected to cost about nine hundred forty billion dollars over ten years, but also help reduce the federal budget deficit.

VOA: special.2010.03.24

So, the optimal thing to do if you live in a world like this n is to get n as large possible and you can reduce the standard deviation of the portfolio very much and there's no cost in terms of expected return.

如果现实中也这样简单的话,那么你就尽量增大,这样就能让投资组合的标准差,就会大大降低,从预期收益率的角度来看,这样做的成本是零。

耶鲁公开课 - 金融市场课程节选

Yet Pullman did not reduce the cost of rent for his houses.

VOA: special.2010.06.24

Financial aid and scholarships may reduce the cost.

VOA: special.2010.04.08

And he stresses that it should reduce the cost of generating power from the sun.

VOA: standard.2010.02.19

Speaking to journalists Tuesday, he reiterated the Democratic Party of Japan's campaign promise to increase child allowances, reduce the cost of education, and cut the gasoline tax.

VOA: standard.2009.10.27