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

VOA: standard.2010.02.19

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

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

"Companies like Hyundai and Suzuki are basing production of some of their models only in India, which gives them volumes, so helps reduce cost for domestic sales and exports as well,".

VOA: standard.2009.09.25