They outsell personal computers four to one.
普通个人电脑卖一个，他们就要卖四个。
Now it is four to one—and on course to be two to one by 2050.
如今这个比例是一比四，而且到2050年这个数字将逐步变为一比二。
Traders should always maintain a four to one risk and reward ratio.
交易员应该一直维持一个四比一的收益和风险比例。
This means that the risk and reward ratio in this specific case is four to one.
也就是在这个案例中汇报和风险的比例是四比一。
A 22-nation survey by the BBC found that voters abroad preferred Mr. Obama to Mr. McCain in every single country - by four to one over all.
由BBC对22个国家进行的民意调查显示，在每个国家的海外投票人都更喜欢奥巴马先生而不是麦凯恩先生-两者获得支持的比例约为4：1。
Among those with classic autism, which includes a developmental delay in language and a risk of learning difficulties, males outnumber females by four to one.
在那些有语言发育滞后并有学习障碍的典型孤独症患者中，男女比例是四比一。
Children aged one to four are often more curious than older children.
一到四岁的孩子好奇心往往比大点的孩子要强。
One of the best examples of this new form of teaching application is Futaba, game in which up to four children try to recognize a spinning object, and then identify what it is.
关于这种新形式的教学应用最好的例子之一是Futaba，在这个游戏中，四个孩子尝试去识别一个旋转的物体，然后识别它是什么。
In one experiment, 145 undergraduates completed four unusual uses tasks, each requiring them to list as many uses as possible for everyday object.
在一项实验中，145名大学生完成了四项不同寻常的使用任务，每项任务都要求他们列出尽可能多的日常用品的用途。
One weekend, he planted tomatoes, zucchini, cucumbers, and eggplant-enough to feed his family of four for the summer, or so he thought.
在一个周末，他种了西红柿、西葫芦、黄瓜和茄子，他想，这些足够一家四口过一个夏天了。
According to a recent survey of admissions officers, only one in four private colleges say the essay is of "considerable importance" in judging an application.
根据最近对招生官的一项调查，只有四分之一的私立大学表示，论文在评判申请时“相当重要”。
According to a survey, one in four American young men would like to learn it.
根据一项调查，四分之一的美国年轻人愿意学习英语。
But that wasn't the only obstacle we had to overcome as a couple — we also lived four and a half hours away from one another.
但这不是我们在一起要克服的唯一的阻碍——我们之间还相隔着四个半小时的路程。
And they continued to exhibit positive body-image attitudes as long as three years after completing the program, which consists of four one-hour sessions.
在完成了包括四节课、每节课一小时的课程后，他们持续表现出积极身体状态的态度，时间长达三年。
It's like juggling three or four balls at the one time and most women seem to do it effortlessly.
这就像同时抛接三个或四个球，而大多数女性似乎毫不费力就能做到。
Treatments for chronic conditions can easily top $2,000 a month—no wonder that one in four Americans can't afford to fill their prescriptions.
慢性疾病的治疗费用可以轻易地达到每月2000美元——难怪四分之一的美国人付不起他们的医药费。
It has yet to be admitted with overeating, even though one in four adults in this country is obese and that number is predicted to double by the year 2050.
尽管这个国家有四分之一的成年人处于肥胖状态，而且估计这个数字到2050年将翻一番，但暴饮暴食还是没被承认。
Between 1984 and 1993, he once tried to save four fish, but only one stayed alive and returned to the river.
在1984年至1993年期间，他曾试图拯救四条鱼，但只有一条活了下来，并返回河中。
McCulloch and his team asked four healthy people and one with cancer to blow into plastic tubes.
麦卡洛克和他的团队让四名健康的人和一名癌症患者对着塑料管吹气。
Maria, how do you like Journey to the West, one of the four classic novels of Chinese literature?
玛丽亚，你觉得中国四大名著之一的《西游记》怎么样？
So far the school has introduced four robot teachers, one of whom is a language teacher that can speak 23 languages and dance to music.
到目前为止，学校已经引进了四个机器人老师，其中一个是语言老师，可以说23种语言，并且可以随着音乐跳舞。
It includes four steps: seeing a word, getting back its meaning from your memory, connecting it to other words in the same sentence, and then moving on to the next word. This process uses many parts of the brain at one time.
它包括四个步骤：看到一个单词，回忆这个词的意思，将它与句子中其他单词联系起来，再看下一个单词。这个过程同时调动了大脑的很多部分进行工作。
The ratio between the two sides is one to four.
双方人数对比是一对四。
And finally going from four back to one.
最后从第四点回到第一点。
The four engines are numbered one through four, left to right.
四个引擎从左到右依次标号：一，二，三，四。
The four engines are numbered one through four, left to right.
四个引擎从左到右依次标号：一，二，三，四。
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