They said colonies halfway around the world would be costly to protect.

VOA: special.2010.07.22

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

And policies can be costly even when employers share the costs.

VOA: special.2009.07.25

But Mr.Kirshner saves that can be costly.

VOA: special.2011.05.13

Modern,manufactured dyes can be costly.

VOA: special.2010.08.02

He said the coalition effort to defeat the Taliban and al-Qaida in Afghanistan will be costly and require great commitment, but that it will succeed.

VOA: standard.2009.12.09

The researchers knew it would be easier and less costly to map a smaller frog with fewer chromosomal pairs.

VOA: special.2010.06.29

Others say the change will be too costly, requiring new textbooks and different kinds of training for teachers.

VOA: special.2010.03.25

But the changes that would be needed to carry astronauts are costly and untried.

VOA: special.2010.04.28

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

VOA: special.2010.08.12

Some studies suggest that punishment can be too costly to be useful.

VOA: special.2009.03.03

These solid fuels may be the least costly fuels available.

VOA: special.2010.02.01

Birthday parties can be low cost or very costly.

VOA: special.2009.09.11

These hotels can be very costly.

VOA: special.2009.08.19

American funerals can be quite costly.

VOA: special.2009.12.11

Republicans say it will be too costly for businesses.

VOA: standard.2009.05.30