Imagine people's height being proportional to their income, so that someone with an average income is of average height.

想象一个人的身高与他的收入成正比，那么获得平均收入的人就是平均身高。

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Similarly, women of average height tend to be less jealous than taller or shorter counterparts, perhaps because they are also believed to be healthier and more reproductively successful.

相似地，具有平均身高的女性相比身高过高或过低的女性更不易嫉妒，或许这是因为她们被认为更健康，更具有生殖能力。

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On the other hand, a woman of average height could in certain circumstances fall afoul of the green-eyed monster if their rival were taller.

另一方面，中等身材的女性也可能在某些情况下因为竞争者的身高而醋意大发。

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Burros reach an average height of over a meter.

VOA: special.2010.02.16

It reminds me of a joke about the statistician who drowned in a pool with an average height of 10 inches.

这让我想起一个统计学笑话,在一个平均水深为10英寸的游泳池里，谁会被淹死。

哈佛公开课 - 幸福课课程节选

You see you cannot tell the height or the depth rather of a pool based on the average.

只知道平均值,并不知道游泳池的水深。

哈佛公开课 - 幸福课课程节选

All three men are described as white, in their 20s, of average height and had scarves covering their faces.

BBC: Man abducted from Edinburgh street by gang

The staff are of average height and seldom sing.

ECONOMIST: Schumpeter

The survey, called Shape GB and carried out by Select Research, suggests that two current beliefs prevalent among retailers are wrong: that boys' and girls' body shapes do not differ significantly before the age of seven, and that the average height of five-year-old boys is 110cm when it is actually 115cm.

BBC: Children 'have wider waists now than in 1978'