A few years ago, a new kind of faster, shorter-lived spicule was discovered.

过去几年中，一种快速而短寿的新型针状体被发现。

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But she was born in 1964, when Americans lived shorter, poorer lives and southern blacks couldn't vote.

但是她出生于1964年，那时美国人的寿命比现在短暂，也更贫穷，南部的黑人还没有投票的权力。

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It will be expensive for some, argued insurers: no more cheap premiums for careful female drivers, and lower annuities for shorter-lived men.

许多保险公司坚持认为这项规定对有些人来说代价高昂：对谨慎的女司机们，保险费将不再便宜，对寿命比女人短的男人们，养老金也要减少了。

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People lived shorter lives and so they didn't get far enough into the age span to suffer from the chronic diseases that people are suffering more today.

当时的人寿命比较短所以他们,活不到现代人那么长,长得足以患上那些慢性疾病

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Can they, by counting the proportion of heavier, shorter-lived stars among them, establish its age?

ECONOMIST: Stellar origins

As the composition of investment has shifted from traditional machinery towards shorter-lived assets, such as computers and software, the average rate of depreciation has increased.

ECONOMIST: Economics focus

That is because the average rate of depreciation of the capital stock has risen as investment has shifted from traditional machinery to shorter-lived assets such as computers and software.

ECONOMIST: Productivity in Europe and America