The conservative benefit and cost estimating technique is recommended for all discounted cash flow applications including comparative life-cost studies.

这种保守的好处和成本估算技术被为全部打折扣的现金收支建议包括比较生活费用的应用研究。

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As demonstrated by many cost studies, the production of sulphuric acid remains the most viable option of sulphur recovery from smelter off-gas and abatement of SO2 emissions to the atmosphere.

大量的费用研究证明，生产硫酸仍然是从冶炼烟气中回收硫和减少SO 2排放的首选方案。

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Another reason why I oppose going abroad for studies is that it would cost a considerable sum of money.

我反对出国留学的另一个原因是它需要花费很多钱。

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Erik Leaver of the Institute of Policy Studies says one big difference is that the strongest opposition about Afghanistan may form over the financial cost of the war rather than the human one.

VOA: standard.2009.09.09

It's good for headlines whenever it gets discussed, and it's considered a serious malady by the medical profession, but no formal cost studies exist.

FORBES: The Most Expensive Addictions

If companies, hospitals and researchers don't have to cover the full cost of such studies, there might be more efforts to develop treatments for rare diseases, these officials say.

WSJ: Families Push for New Ways to Research Rare Diseases

"The more diligently a student spent his or her time at university, and the more effectively he or she laid the foundations for a successful and well-remunerated career, the more they would ultimately contribute towards the cost of their studies, " it says.

BBC: Graduate tax 'could hit UK's competitiveness'