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1·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。

2·I ate one quarter of a mooncake.

我吃了四分之一的月饼。

3·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。

4·One quarter of teachers in an American city said that children in kindergartens had no time for playing freely.

在美国一个城市，四分之一的教师说幼儿园的孩子们没有时间自由玩耍。

5·Only one quarter of the study participants had what the researchers call eudaemonic predominance—that is, their sense of meaning outpaced their feelings of happiness.

只有四分之一的参与者拥有研究人员所称的“幸福感优势”——也就是说，他们（生活）的意义感超过了他们（生活）的幸福感。

6·Married Americans are happier, ceteris paribus, by approximately one quarter of a happiness point on the 1-3 scale.

其他条件不变，已婚的美国人会更幸福，在1-3规模上约高四分之一的幸福点。

7·The feet account for one quarter of all the human bodies bones.

足部占所有人体骨骼的四分之一。

8·Now, more than one quarter of all U.S households can surf in cyberspace.

现在全美超过四分之一的家庭在网络上寻找信息。

9·Nearly one quarter of all children die before they reach their fifth birthday.

几乎四分之一的儿童活不到五岁。

10·One quarter of chilled meals are Indian, and nearly one in five is Chinese’.

四分之一的冷却食品来自印度，将近五分之一来自中国。