Stiff blood vessels make your heart work harder. This low-tech test may help you prevent a heart attack.

血管硬化会使心脏工作更困难。这种低科技测试有可能帮助你预防心脏病发作。

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Moreover, he says they will stimulate Chinese to work harder and help their country.

他还说，奥运会促使中国人更加努力地工作，为国家作贡献。

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The idea is that, without help from industrial chemicals, plants on organic farms need to work harder to protect themselves. They end up becoming more nutritious as a result.

这是由于没有工业生产的化学物质的帮助，有机农场里的作物必须更努力的生长以保护自身。因此它们成熟后不会更有营养。

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Hannigton Segarunaya, national youth president of the Ugandan Red Cross Society, says the visit made him want to work harder to help people.

VOA: special.2009.07.01

And they help make capital work harder, an increasingly important component of growth in advanced economies.

ECONOMIST: Springing the pay-as-you-go trap

In essence, BrokerSavant has been able to help customers work smarter, not harder, by addressing the ever-present challenge of information overload, and by rendering heretofore-unwieldy data sets manageable.

FORBES: Technology SHOULD Give You A Strategic Advantage

Hillary Clinton, a Democrat from New York, praised the recovery efforts but urged FEMA to work harder to help merchants near the World Trade Center ruins that have struggled in recent weeks.

CNN: FEMA chief: Better catastrophe planning needed