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The ability to prevent and treat AIDS has advanced beyond what many might have hoped over two decades ago.

如今人们预防和治疗艾滋病的能力已经超过了二十多年前许多人的期望。

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That is triple the number from two decades ago.

这个数字是二十年前的三倍。

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Leyda Lopez came to Sunday's rally with her mother who entered the country illegally from Equador nearly two decades ago.

VOA: standard.2010.03.21

But at each end, they will get a nudge to tumble down - much like the Wall did two decades ago.

VOA: standard.2009.11.09

They fled to Senegal two decades ago to escape clashes between black African and Moorish communities in Mauritania.

VOA: standard.2009.10.24

This specialty fund has returned 19.5% a year since its founding two decades ago.

FORBES: The Other Side of Vanguard

The first of these self-managed teams began nearly two decades ago in a Durham, N.

WSJ: Welcome to the Bossless Company

The restaurant scene in much of Britain is unrecognisable from two decades ago, he says.

BBC: NEWS | UK | Magazine | Les Rosbifs reinvented