The world's food system is responsible for about one quarter of the planet-warming greenhouse gases that humans produce each year.

人类每年产生的温室气体中，约有四分之一是由世界的食物系统产生的。

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I ate one quarter of a mooncake.

我吃了四分之一的月饼。

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Dreams take up about one quarter of our sleeping time.

做梦大约占我们睡眠时间的四分之一。

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About one quarter of the presumed dead are still considered missing persons, never to be heard from again.

VOA: standard.2009.12.18

Now, So, you have these maps in your head but the thing to realize is— And these maps are part of your cortex, but the things to realize is that's an important part of what goes on in your brain but less than one quarter of the cortex contains these maps or projection areas.

你的脑袋里存在着这些定位图,但你们会发现,这些定位图是你大脑皮层的一部分,但你们会发现,这是在你的大脑活动中,起到重要作用的一部分大脑皮层,不过只有不到四分之一的大脑皮层,存在这些定位图或是投射区

耶鲁公开课 - 心理学导论课程节选

All of those slave societies had a population of slaves that was from one-quarter to one-half, and sometimes more, of the total population.

这些奴隶社会的奴隶人口都占总人口,的三分之一到一半,有时甚至更多

耶鲁公开课 - 美国内战与重建课程节选

In addition, about one quarter of those streams are being done on smartphones and tablets.

FORBES: Here's Looking At YouTube, Kid: Eight Years, One Billion Users, And Really Just Getting Started

One quarter of those participants were later hired by the companies where they trained.

FORBES: One Good Idea in Obama's American Jobs Act

Almost one quarter of people north of the border thought organic food was safer than non-organic.

BBC: Public 'starting to doubt' organic food