Medical care in the United States, while expensive, is among the best in the world.

美国的医疗照顾虽然昂贵，但却是全世界最好的。

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While an estimated one million Kenyans suffer from kidney disease, dialysis and transplants to battle the condition are limited and expensive.

VOA: standard.2010.05.30

By comparison, nuclear may seem expensive while coal will be considered dirtier, noting that wind and solar will also be tougher to sell.

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Advocates are explaining to lawmakers that while oil is expensive, scarce and imported, there's enough natural gas in the U.S. supply to last more than 100 years.

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Heart disease and trauma rank first and second as the two most expensive conditions in terms of total national health care spending while cancer remains the most expensive on a per-person cost basis.

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