From the cost of Preparation, the cost of thin ethanol-extract could not higher than water-extract too much.

从制剂成本的角度，醇提的成本不会高于水提太多；

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We have succeeded in making a kind of phase change material (PCM) of high thermal storage density, good corrosion-resistant performance and low cost of preparation by powder sintering method.

本研究采用粉末烧结工艺将陶土分别同性能优良的高温熔融盐复合，成功地制备出蓄热密度高、耐腐蚀性好且成本低廉的相变蓄热复合材料。

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The size distribution of coal is considered to be small, when the medium concentration coal slurry is transported in the pipeline. The cost of preparation of slurry and dewatering cost are high.

在中浓度煤浆管道输送中，煤的粒度组成偏细，使制浆及脱水费用较高。

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One argument against joining, say eurosceptics, is the cost of preparation.

ECONOMIST: The single currency

In a kitchen lab at its headquarters in Illinois, McDonald's develops its latest dishes, with an eye to taste, time, cost of preparation, and scope for scaling over its fast empire.

WSJ: The Unsung Beauty of Bureaucracy

While Dr. Gawande has provided a wonderful revealing portrait of cost-effective, fast, food preparation and delivery at the CheeseCake Factory , he has focused on the process of creating the meal, not the process of deciding what meal to make.

FORBES: Do You Believe Doctors Are Systems, My Friends?