Mougin and his team must also prove that such operations could become cost-effective ways for getting water. The $11.5 million price tag for the one-shot operation is far from that, Simard said.

摩根和他的小组还必须证明这种方式对于获取水来说是合算的，而按照目前计划，一次就要花费1150万美元，这可是个大价钱。

youdao

Briefly presents three mainly used methods for calculating water price: marginal cost method, planned price method and cost method.

阐述了我国目前主要采用的三种水价核算方法：边际成本法、计划定价法和成本核算法。

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Reasonable price, good construction performance, can direct water regulating construction viscosity, construction tools available direct water cleaning, convenient use, low cost of painting.

油漆价格合理、施工性能好，可直接加水调节施工粘度，施工工具可用水直接清洗，使用方便、涂装成本低。

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For starters, consider the fact that the degree of market failure varies from region to region: the difference between the price of water and its true marginal cost must be higher in dry places than wet ones.

FORBES: Toilet Training

Furukawa wants to reduce the price to of the salt-water system to half the cost of a conventional lead acid battery.

FORBES: Salt Water Fuel Cells - Coming Soon?

The pollution produced by burning petrol in cars imposes a cost on the environment and on human health, yet its price hardly reflects this fact: petrol remains cheaper than water in America.

ECONOMIST: Stepping on the gas