Tired drivers cause one in five fatal crashes on motorways, experts estimate.

专家估计，高速路上所发生了严重车祸中有五分之一是因为司机的疲倦所造成的。

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Experts estimate that the average beer goes bad after 6 to 12 months of storage.

专家预计，一般的啤酒储存6到12个月后就会变坏。

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Experts estimate that we have lost more than half of the world's food varieties over the past century.

专家预测，过去的一个世纪里，我们已经失掉了全球一半以上的食物品种。

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Safety experts estimate that the restraining devices save more than four thousand lives a year in the United States alone.

VOA: special.2010.02.09

Experts estimate that millions of people around the world need organ transplants.

VOA: special.2010.10.19

Experts estimate sixty percent of tsunamis take place there.

VOA: special.2009.03.17

Experts estimate that the average rebate for a brand-name drug in 2011 reaches 40%.

FORBES: Senior Citizens Will Pay Dearly For Health Care Price Controls

Experts estimate that on average 10% of names on registration rolls are not accurate.

FORBES: Fact And Comment

Nationally, experts estimate such limits would cut premiums for docs by 25% to 30%.

FORBES: Fact and Comment