Why study urban and regional economies?
为什么要研究区域经济？
Why study logic when all you want to do is teach first grade or be a church organist?
我就想当小学老师或者教堂的管风琴手，为什么要学习逻辑学呢？
That is why study circles continue with one or two meetings a week for a number of weeks, instead of being for example a full-time weekend course.
这就是为什么学习圈每周开展一、两次会谈并持续数周，而不是作为一种全日制周末课程。
For this purpose, the questions about what is the history of military equipment, why study the history and how to study it were discussed theoretically in this article.
从这一目的出发，从理论上探讨了什么是军事装备历史、为什么要研究军事装备历史、以及用什么理论和方法研究军事装备历史等问题。
A new study in mice may help to explain why hunger can feel like such a powerful motivating force.
一项在老鼠身上进行的新研究或许能帮助解释为什么饥饿能给人带来如此强大的动力。
While you are in the prime of life, why not devote yourselves to a special field of study?
为什么不把握人生中最美好的时间，努力做一种专门学问呢？
But why do I have to study different styles to understand Joyce's novels?
但是为什么要学习不同的文体，才能理解乔伊斯的小说呢？
There is no reason why everyone cannot be welcomed on Mauna Kea to embrace their cultural heritage and to study the stars.
没有理由不欢迎每个人在莫纳克亚山接受他们的文化遗产和研究那里的星星。
That is one reason why America absorbs immigrants better than many other rich countries, according to a new study by the University of California.
根据加州大学的一项新研究，这是美国比其他许多富裕国家更好地吸收移民的原因之一。
While the study didn't assess why divorce is more likely when wives but not husbands become seriously ill, Karraker offers a few possible reasons.
这项研究没有分析为什么相比起丈夫重病，妻子重病时婚姻更容易破裂，卡拉克则为此提供了一些可能的原因。
他为什么不读书呢？
I recently came across a study that shows why his approach works.
我最近无意中读到的一份研究报告说明，他的方法是有效的。
You may often wonder why we students should study something that has nothing to do with our own lives.
你可能常常会想，为什么我们学生要学一些与我们自己生活无关的东西。
Why do you have to go to college to study art?
你为什么要上大学学习美术？
If he can eat much and keep slim, why can't I? What is the recent study mainly about?
如果他能吃得多又保持苗条，为什么我不能？最近的研究主要是关于什么的？
Later his classmate asked the artist, "You are a student and you need money to pay the tuition for further study in the college. Why don't you keep the lottery ticket to yourself?"
后来，他的同学问艺术家：“你是一名学生，你需要钱来支付大学深造的学费。你为什么不把彩票留给自己呢？”
Why, then, should we not study the acquisition of a cognitive structure like language more or less as we study some complex bodily organ?
我们为什么不应当,像研究某些复杂身体器官那样,去或多或少地研究,像语言这样的认知结构的习得
She said her study helps explain why people respond the way they do to natural disaster.
她说她的研究有助于解释为什么人们会采取某种方式应对自然灾害。
Let's look at a sample case study to better understand why this is a malpractice.
我们来检查一个样例案例研究，以便更好地理解为何这是一种不良实践。
It is why the study of animal feelings in general was largely neglected for the century following the 1872 publication of Charles Darwin's the Expression of the Emotions in Man and Animals.
这就是为什么在1872年查尔斯·达尔文的《人类和动物情感的表达》出版后的一个世纪内有关动物感受的研究总是被忽视。
The CDC study did not explore why the teen birth rate is at an all-time low.
疾病控制中心的研究并没有探究出为什么青少年出生率总是处于低比率状态。
The researchers say this study may explain why airline food ain't earning any Michelin stars.
研究人员认为，这项研究解释了为何飞机上的食物没有赢得米其林星。
The physics prize went to a study of why pregnant women don't tip over. Usually.
物理学奖授予一项探求孕妇为什么不跌跤的科学研究。
Experts aren’t sure why, buta new study suggests that these women may be at increased risk because they arespending more leisure time outdoors.
有关专家表示个中缘由尚不清楚，但一项新的研究表明，这些女性之所以受到更多的威胁是因为她们呆在户外的闲暇时间更多。
Until to the middle school day, I started to learn that study is the only thing I have to do, but I don't know why I have to study.
直至中学，我明白了学习是我唯一要做的事情，虽然我不知道为什么而学习。
An international study has discovered why some people who eat a high-fat diet remain slim, yet others pile on the weight.
为什么有人经常吃高热量食物，却始终保持体态苗条，而另一些人却控制不住体重的飙升？一项国际研究揭开了其中的奥秘。
An international study has discovered why some people who eat a high-fat diet remain slim, yet others pile on the weight.
为什么有人经常吃高热量食物，却始终保持体态苗条，而另一些人却控制不住体重的飙升？一项国际研究揭开了其中的奥秘。
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