Many picture-books have been made into cartoons in the past 20 years.

在过去的20年里，许多图画书被改编成漫画。

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Austin's population has doubled in the past 20 years.

过去20年，奥斯汀的人口增长了一倍。

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In the past 20 years, winds have picked up around 5 percent on average.

在过去20年里，平均风速增强了近5%。

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"Despite remarkable economic growth in scores of countries over the past 20 years, shocking disparities are also growing, with the poorest children left further behind,"

VOA: standard.2009.10.08

Quiet obviously, the town of East Hampton has changed dramatically in the past 20 years.

FORBES: Navigating East Hampton's Food Scene One Market at a Time

The sector has flourished in the past 20 years as companies have increasingly outsourced operations.

ECONOMIST: How Britain gains from offshoring

This has happened not once, not twice, but probably 400 times in the past 20 years.

CNN: 'Lethal Weapon 4': Saying nothing, but loudly