Get several written quotations and check exactly what's included in the cost.

弄几份书面报价来，并查清楚成本中包含哪些内容。

《柯林斯英汉双解大词典》

The arithmetic of nuclear running costs has been skewed by the fall in the cost of other fuels.

对核运行费用的计算因其他燃料费用的下降而出现了偏差。

《柯林斯英汉双解大词典》

It is surely too much to hope that these increases in the cost of public education can be borne by the local communities.

指望当地社区能够承担公共教育费用增加的部分，这当然是不切实际的。

youdao

But an explosion in space cost him the chance to reach the moon -- and nearly cost the crew their lives.

VOA: special.2010.04.28

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

What do you think about the living cost in San Francisco?

旧金山的消费怎么样？

生活费偏高 - SpeakingMax英语口语达人

Companies also need to factor in the cost of voice and data, development, management and support.

FORBES: Calculating The True Cost Of BYOD

The best of them beat the classic Vanguard mutual funds in the cost game.

FORBES: Magazine Article

Note that my answer gives us a 50% cut in the cost of the energy system.

FORBES: Lying With Numbers: Green Energy Edition