Short people and those of average height can camouflage and sort of disappear in a crowd when they choose to.

矮个子以及中等身材的人可以根据自己的需要在人群中伪装甚至消失在人们视线之外。

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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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For women, what counted most in jealousy was the rival's looks and charm, but these feelings were less intense if the woman herself was of average height.

对于女性而言，情敌的长相和魅力程度是影响她们忌妒情绪的最重要因素，但相对而言，中等身高女性的妒忌心没那么强烈。

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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'