These efforts will provide invaluable data on the benefits and cost-effectiveness of the Smart Grid, including energy and cost savings.

这些努力会为智能电网的效益，成本效益提供无价的数据，包括能源和成本节省。

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It has been found out that the alkali slag cement, with low production energy and cost and high performance, might be a new type of promising cement.

碱矿渣水泥生产能耗低、生产成本低、性能优良，有可能成为一种有发展前途的新型水泥。

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I felt a need to please people, whatever the cost in time and energy.

我感到一定要使人们满意，耗费多少时间和精力都在所不惜。

《牛津词典》

House Minority Leader John Boehner, in the weekly Republican message, says the president's energy bill would cost too much and hurt the economy.

VOA: standard.2009.06.27

He adds it is ratepayers, not taxpayers, who shoulder the cost of this renewable energy incentive, and any rate increases are "tough to swallow."

VOA: standard.2010.03.23

"We say,find more American energy and use less--energy that is as clean as possible, as reliable as possible, and at as low a cost as possible.

VOA: standard.2009.04.25

Smart meter readings offer utilities and consumers energy and cost savings.

FORBES: Reinventing the Phone Company: The M2M Revolution Has Arrived

The potential impact in energy and cost savings, as well as pollution reduction, is significant though toxic materials are used in manufacturing both fluorescents and LEDs.

NPR: Goodbye Fluorescent Bulb? Philips Says Yes.

Many of the smaller, independent firms offer these free of charge, and their expert staff will attend your property and offer helpful suggestions on where you could make energy and cost savings.

FORBES: How To Winterize And Heat Your Home For Less