He gave her a highly expensive diamond ring.

他给了她一个非常昂贵的钻戒。

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He said resources should be switched away from these highly expensive studies, which in his view have now done their job.

他说，应当将资源转离这些极其昂贵的研究，他认为这些工作现在已经完成了。

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It's highly expensive to predict them yet, you have to use very expensive equipment and it's really tough to pinpoint where the sinkholes are.

这是非常昂贵的预测，你必须使用非常昂贵的设备，而且很难查明天坑的地点。

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And because the key component of solar cells is an expensive, highly purified form of silicon, there's a real economic benefit to this design.

VOA: standard.2010.02.19

Far from doing all the hard work, he was helped by a huge and highly expensive team of investment-banking advisers.

ECONOMIST: Vodafone��s folly

This more collaborative model is being applied to the high-risk innovative early stages of drug discovery, with companies taking on the highly expensive later stage development.

BBC: Falling drug breakthroughs 'a myth'

The U.S. government has in recent years, for example, induced corporations to conduct highly expensive internal investigation to comply with the Foreign Corrupt Practices Act.

FORBES: Wikileaks Is Already Costing Bank Of America