After two years of fighting, with many deaths on both sides, the government decided the struggle was too costly.

VOA: special.2010.04.01

We'll see later on, there are classes of computation that are inherently much more complex. We hate them, because they're costly, but they're sometimes inherently that way.

我们会稍后详细的讲讲这个,有许多内在更加复杂的种类的算法,我们痛恨它们，因为它们很耗时。

麻省理工公开课 - 计算机科学及编程导论课程节选

They make it very costly, socially costly, to divorce, so then they stay together for all kinds of reasons, not always such good ones.

离婚社会代价太大，因此双方由于各种原因不分开，不是所有原因都是好的。

耶鲁公开课 - 心理学导论课程节选

She sat between richly dressed women who were there to spend the day eating sweets and showing off their costly clothing.

VOA: special.2009.09.05

A lot of people in the financial community are annoyed by them because these regulations are costly to comply with and they take a lot of resources.

很多金融界人士对其烦不胜烦,因为执行规范条例的成本很高,一旦执行,占用太多资源

耶鲁公开课 - 金融市场课程节选

He says his team's research is influenced by questions in evolutionary biology about why people and groups use costly punishment.

VOA: special.2009.03.03

So, it's not surprising that asset allocation explains more than 100% of returns and that, for the community as a whole, market timing and security selection are costly and lower the community's aggregate investment returns.

因此资产配置能解释100%以上的回报,也不足为奇了,对投资者整体来说,市场时机选择,和证券选择是有代价的,降低了总的投资回报

耶鲁公开课 - 金融市场课程节选

As both the North and South were learning quickly, the Civil War was becoming more costly than anyone had imagined.

VOA: special.2009.09.17

Governments establish regulators who set down rules for participants in financial markets and these rules may be perceived as onerous and costly to people in the financial community, but ultimately it's their salvation and it's what makes everything possible.

政府设立监管机构,监管机构为金融市场的参与者,制定法规条令,这些规则对金融界,有着极其严格的约束,但这些规则最终使得金融界运作良好,免遭灭顶之灾

耶鲁公开课 - 金融市场课程节选

Yet researchers from Stanford University say new treatments are often no better than existing ones, but are almost always more costly.

VOA: special.2009.08.14

They decided that some parents were under too much social pressure to plan costly parties for their children.

VOA: special.2009.09.11

Big armies were costly, and many people left because they did not want to pay the high taxes.

VOA: special.2010.05.13

He told them: "The war for the Union is, in your hands, a most bloody and costly failure.

VOA: special.2009.10.22

However,that opinion changed when manufacturers learned how to make better and less costly versions of Mister Harrison's clocks.

VOA: special.2010.07.14

Like many of the performances at Capital Fringe, this opera is not about costly and complex production values.

VOA: special.2009.08.05

Missus Sommers bought two costly magazines that she used to read back when she had been able to enjoy other pleasant things.

VOA: special.2009.09.05

The movie gives an interesting lesson in how city communities can come together to build healthy and safe housing that is not costly.

VOA: special.2009.03.25

They are very costly. Or you can buy a copy of a coin for much less money.

VOA: special.2010.03.22

Cape May guides say it was costly to care for and repair summer homes near the sea.

VOA: special.2009.06.01

The family had to move from a costly apartment in Manhattan to a small house in Brooklyn.

VOA: special.2009.11.29

But when the telescope reached orbit, NASA scientists were shocked to discover that the costly mirror of the telescope had not been shaped correctly.

VOA: special.2009.09.30

F.C.C.Chairman Julius Genachowski says the service available is slow and costly compared with other developed countries.

VOA: special.2010.03.19

Doctor Winkel says antivenom treatment is too costly for many poor people who need it most.

VOA: special.2009.05.05

Patents involving the two genes made Myriad the only company able to offer the costly tests.

VOA: special.2010.04.09

Like netbooks, tablets are less costly ways to use the World Wide Web and digital information.

VOA: special.2010.01.26

The study decided it would be less costly,overall, to build the canal in Nicaragua.

VOA: special.2010.08.12

In some countries, costly repairs were made on many buildings to remove the material.

VOA: special.2009.11.17

It is also more effective and less costly than the drugs traditionally used.

VOA: special.2010.01.04

He says a less costly, easy-to-use medicine for sleeping sickness is badly needed.

VOA: special.2010.04.07

Rice hull ash is already available, but the product is relatively costly.

VOA: special.2009.12.01