Could you source and apply low cost material?

你方能否寻找并使用低成本材料？

youdao

Since pig iron and scrap are cheap, and because there is no expensive refinement process, cast iron is a low cost material compared with steel.

由于生铁和废钢铁都便宜，又因为不需要昂贵的精炼过程，和钢相比铸铁是一种廉价材料。

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The alloy composition can be optimized by the neural-fuzzy method thereby enabling them to replace the more ex-pensive noble elements with lower cost material having comparable mechanical properties.

在保证性能的基础上，利用训练好的模糊推理系统对材料的成分进行优化，减少贵重元素的加入量。

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Also,the inventors say the light-colored material better reflects sunlight, so buildings would cost less to cool.

VOA: special.2009.12.01

Can adding 50% more labor cost and 20% more material cost actually increase sales of a stagnating product in a highly competitive luxury market space?

FORBES: 5 Innovation Secrets from Sealy

Asbestos has a lot of uses but I don't subscribe to the view that it is the only low-cost feasible material.

BBC: News Online

Mr. DOUGLAS FAULKNER (Principal Deputy Assistant Secretary, Department of Energy): We think in six years, we can bring down the cost of ethanol from cellulosic material, to be cost competitive with gasoline.

NPR: Canadian Dreams of Ethanol Distilled from Grass