In this middle age, the West built a middle class.

在这种中间时代，西方人构建了中产阶级。

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This could result in a pension age of 70 by the middle of the century.

在上个月预算中，George Osborne说这个世纪中期领取养老金年龄将会推迟到70岁。

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This put them at a 20 per cent higher risk of developing heart disease and type 2 diabetes - the form that develops in middle-age and is often blamed on obesity.

这种基因会提高他们百分之二十的几率换上心脏病以及二型糖尿病，这些病症通常被认为是在中年时期由于肥胖所引发的。

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This is one of the reasons why in the golden age of Arabic scholarship in the Middle Ages, there was so much dispute about the Poetics.

这就是为什么在,中世纪阿拉伯学术界的鼎盛时期，关于诗学有这么多争议。

耶鲁公开课 - 文学理论导论课程节选

"This is the first compound that has been shown to slow aging when initiated in middle age, " ways Matt Kaeberlein, a researcher at the University of Washington.

FORBES: Magazine Article

All this activity occurs early in the life span of a galaxy, before it settles down into a quiet middle age.

WSJ: Book Review: Gravity's Engines

This is a finely observed study of solitude told through a series of monologues by four characters in late middle age.

ECONOMIST: The great French novel has all but vanished