居民们转而采集大量野生谷物类牧草，而坚果在饮食中所占的比例下降了。

The inhabitants turned to wild cereal grasses instead, collecting them by the thousands, while the percentage of nuts in the diet fell.

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事实上，73%的受访者把他们与同事之间的关系作为工作中快乐的关键因素，它所占的比例很高。

In fact, 73% of people interviewed put their relationship with colleagues as the key factor contributing to happiness at work, which is a very high percentage.

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与身体其余部位相比，孩子头部所占比例往往比成人大。

Children tend to have relatively larger heads than adults in proportion to the rest of their body.

《柯林斯英汉双解大词典》

The minerals are present in small amounts in food and as a function of body weight as well.

矿物质,在食物中所占比例非常小,在体重中所占比例也非常小

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Of course, the money had to come from somewhere, so bond allocations were at a fifteen-year low.

当然投资股票的钱不是凭空变出来的,于是债券投资所占比例跌至15年来最低

耶鲁公开课 - 金融市场课程节选

The middle class in Russia, which I'll talk about on Monday, was just absolutely miniscule.

而俄国的中产阶级,我会在下周一讲到,其所占比例微乎其微

耶鲁公开课 - 欧洲文明课程节选