The tannins are part of the defense mechanism that is essential to longevity.

单宁酸是防御机制的一部分，对长寿至关重要。

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Dirt can deteriorate your furniture so frequent cleaning is key to longevity.

灰尘可以侵蚀家具，因此，经常清洁对保持家具长寿很难关键。

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Every day numerous articles are published proclaiming the secret to longevity.

每天都会出现不少所谓揭示长寿秘密的文章。

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She credits her longevity to raising a family when she was just breaking into show business.

VOA: standard.2009.12.25

"And that's what this method does - it captures the complexity of the puzzle and the interaction of all these genes together to produce exceptional longevity."

VOA: standard.2010.07.14

America should index the retirement age to longevity and make the benefit formula for upper-income workers less generous.

ECONOMIST: America's budget deficit

Many workers haven't gotten cost-of-living raises for a few years, although some get pay boosts linked to longevity or new credentials.

WSJ: Big NYC public-employee union picks Liu for mayor

Many workers haven't gotten cost-of-living raises since the contracts lapsed, although some get increases linked to longevity or acquiring new credentials.

WSJ: Contracts a question as NYC mayor presents budget