The catalyst system have good catalytic selection, can decrease the production cost and reduce the pollution.

此催化剂体系有良好选择性，用量少、成本低、对环境污染小。

youdao

State must increase the cost and reduce the profit of it in order to restrain police's psychological motivation.

因此国家必须提高刑讯逼供犯罪的成本，降低其收益，以有效抑制警察进行刑讯逼供的心理动因。

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The system can save insulating cost and reduce heat loss using heat-exchanger in well bore and casing heat-exchanger on surface.

该系统采用采水井内换热器和地面套管式换热器，既可节省保温费用，又可减少散热损失。

youdao

Financial aid and scholarships may reduce the cost.

VOA: special.2010.04.08

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

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

VOA: standard.2010.02.19

In exchange, local governments will pool their share of the cost and reduce their pumping from today's 145m gallons a day to 90m by 2007.

ECONOMIST: Water, water, everywhere

This is a good thing as it will reduce cost pressures and reduce the size of the commodity supply surge ahead, helping avoid a crash in commodity prices.

BBC: Viewpoint: Is Australia's resources boom over?

Zitzewitz points out, is that it would increase cost and might reduce the average quality of judges.

WSJ: Removing Judges' Bias Is Olympic-Size Challenge