Many middle-age people sport a full gleaming mouthful, much like hip-hop stars.

许多中年人满嘴金牙，就像街舞明星。

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In order to search for the effective method of health education on chronic disease for primary prevention in middle-age people.

为在中青年中开展慢性病一级预防工作，寻求健康教育的有效方法。

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Middle Age people used marigold petals for rinsing their hair.

到了中世纪，人们使用万寿菊的花瓣来清洗他们的头发。

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But experts say they are encouraged that the virus seems to be hitting hardest among people of middle age, sparing the more vulnerable groups - the elderly and children under the age of five.

VOA: standard.2009.04.28

Is there anything more pitiful than two middle-age people who claw ceaselessly at one another to distract themselves from the terrible knowledge that neither one of them got what they wanted out of life?

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Back in its golden age in the 1950s and 1960s, it offered middle-class people, not just techy high-fliers, a shot at the American dream complete with superb schools and universities, and an enviable physical infrastructure.

ECONOMIST: California v Texas

We humans are an "information economy" and middle age is the time when we pass on most of that information - this is why middle-aged people like being listened to.

BBC: Viewpoint: Just what is middle age?