For example, comparing the 1980s to the 1990s, better educated individuals experienced nearly a year and a half of increased life expectancy, while the less educated experienced only half a year.

举例来说，将上世纪80年代和90年代的人相比，受教育程度更高的人的预期寿命延长了一年半，而接受教育比较少的人的预期寿命仅仅延长了半年；

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For example, comparing the 1980s to the 1990s, better educated individuals experienced nearly a year and a half of increased life expectancy, while the less educated experienced only half a year.

举例来说，将上世纪80年代和90年代的人相比，受教育程度更高的人的预期寿命延长了一年半，而接受教育比较少的人的预期寿命仅仅延长了半年；

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