Neither of my test machines used the energy-saving, but costly, solid-state drives that are slowly replacing mechanical hard disks.

我用来测试的电脑没有使用固态硬盘。这种节能却昂贵的硬盘正逐渐替代机械硬盘。

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On September 19th, British General John Burgoyne achieved a small, but costly victory over American forces led by Horatio Gates and Benedict Arnold.

该年9月19日，英军将领约翰·柏戈因（John Burgoyne）在对阵大陆军将领霍雷肖·盖茨（Horatio Gates）和本尼迪克特·阿诺德（Benedict Arnold）时取得了一场小小的胜利，不过他也付出了惨痛的代价。

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A bizarre but costly lawsuit depleted another huge portion of their savings. One thing led to another, and they found themselves in a financial disaster.

祸不单行，一场莫名其妙的昂贵的官司又耗尽了他们的一大笔积蓄，这一切使他们陷入了经济困境。

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Flying was fun,but costly.

VOA: special.2010.05.26

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

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

In short, pushing up the dollar allows Japanese exporters to postpone a necessary, but costly, restructuring.

FORBES: Japan Throws A Dime To American Debt Junkies

But stopping undergraduate teaching of important but costly subjects is not what the government wants.

ECONOMIST: Universities

Fortunately, several large organizations agree and are taking large legal but costly steps to assure the County involved knows their actions are being watched.

FORBES: Balance Of Power: Clean Energy And Desert Wildlife