Payment is a form of applause; all the more convincing because it is costly.

付钱就是鼓掌的一种形式；花钱多就更令人信服。

youdao

Of course, it is costly to revise important architectural decisions again and again.

当然，一次又一次地修改重要的体系结构成本非常高。

youdao

HMF can be converted into plastics, diesel-fuel additive, or even diesel fuel itself, but is seldom used because it is costly to make.

羟甲基糠醛能够被转化成为塑料、柴油燃料添加物、甚至柴油燃料本身，但是因为其制造成本很高，所以很少应用。

youdao

The goal is to support a private space transportation industry that makes it easier and less costly to reach space.

VOA: special.2010.04.28

Kerosene costs less than other forms of lighting, but it is still costly in poor countries.

VOA: special.2009.12.21

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

VOA: special.2009.05.05

Although basic goods in China are still relatively cheap, it is costly to lead a middle-class life in China.

WSJ: An Unhappy Middle in the Middle Kingdom

But it is costly and time-consuming for individuals to gather such credit information.

ECONOMIST: Stocks in trade | The

"It is costly to send nurses into the home, but not nearly as costly as readmissions, " says Aetna national medical director Randall Krakauer.

WSJ: Bringing the Hospital to Your Home