Compared to rare earth high Cr-Ni-N, cost falls 60%; Compared to W-Cr alloy, cost falls 70%.

与稀土高铬镍氮相比，成本降低60%，与钨铬合金相比，成本降低70%。

youdao

So, the optimal thing to do if you live in a world like this n is to get n as large possible and you can reduce the standard deviation of the portfolio very much and there's no cost in terms of expected return.

如果现实中也这样简单的话,那么你就尽量增大,这样就能让投资组合的标准差,就会大大降低,从预期收益率的角度来看,这样做的成本是零。

耶鲁公开课 - 金融市场课程节选

Once I have it sorted I can search it in log n time, but that's still isn't as good as just doing n. And this led to this idea of amortization, which is I need to not only factor in the cost, but how am I going to use it?

一旦对其完成排序,就可以在log，n的时间内对其完成搜索,但是这样做仍然不如n的复杂度,这样做引出了耗时分摊的想法,这时不仅需要考虑耗时的因素？

麻省理工公开课 - 计算机科学及编程导论课程节选

These columns have long tried sympathetically to explain Mexican realities to our readers, but President Vicente Fox's U.N. war straddle will cost his country years of U.S. public goodwill.

CENTERFORSECURITYPOLICY: Get on with it

The Navy's choice is clear: develop and acquire N-UCAS now, in a low risk, cost-effective manner, or make the false economy of cutting funding now and then developing N-UCAS as a high risk, crash program later.

CENTERFORSECURITYPOLICY: Where are the carriers?

The telecommunications giant is off to a good start, launching a low-cost, Internet-based voice service called Connect 'N Save just last month.

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