We might wonder what causes it.
我们会想这个的原因是什么。
我们不知道是何引起的。
What is gangrene? What causes it?
什么是坏疽，它是由什么引起的？
It's feedback. What causes it is simple.
导致反馈杂音是容易理解的。
What is inflation, and what causes it?
是什么引起通货膨胀的？
是什么引起了它？
是什么原因？
But nobody has truly understood what causes it.
但是没有人真正理解问题所在。
Then we take a look at what causes it to sleep at night.
那么我们就一起来看看晚上失眠是什么原因吧。
Types of pain, what causes it, and what you can do about it.
疼痛的类型，原因以及对待疼痛应该如何去应对。
It 's a dull sort of pain, and I do not know what causes it.
这是一种隐痛。我不知道是什么引起的。
But nobody has truly understood what causes it. Until, perhaps, now.
但也许没有人真正了解究竟原因导致了这一现象。
Such are the competing (but not contradictory) -theories of what causes it.
由此出现了所谓的“竞争理论”(但不是矛盾理论)。
Even though we now know that a link exists, we still don't know what causes it.
尽管我们现在知道存在着某种联系，但我们仍然不知道导致这一联系的原因。
But today he is taking on a new field (and controversy) : cancer and what causes it.
但是今天他将讨论一个新的领域(当然存在争议)：癌症及其原因。
Researchers have yet to find a cure for the disease, as they are still not sure what causes it.
研究者们至今还没有找到治疗这种疾病的方法，特别因为他们至今不肯定造成这种疾病的根源。
ABSTRACT: Below we'll cover: How often is wine corked? What causes it? What can we do about it?
摘要：本文将会告诉大家，到底有多少葡萄酒被软木塞污染了？软木塞污染是如何形成的？以及我们有什么对策。
Doctors never really knew what causes it, but finally put it down to an overloaded immune system.
医生从未知道真正的致病原因，但最后还是把它归结为超负荷的免疫系统不能再支撑我的身体。
What causes it includes the language difference, cultural difference and the translators themselves.
引起这一现象的主要因素包括语言差异、文化差异及译者本人。
Instead of seeking to eliminate it we need to learn what causes it how to reduce it and what purpose it might serve.
不用寻求消除浪费，我们需要学习是什么导致浪费，怎样减少浪费，以及浪费可能掂焘图是什么。
Although in many cases doctors don't know what causes it, epilepsy can be related to brain injury, tumors, or infections.
尽管大多数情况下医生并不知道明确的病因，但是癫痫和脑损伤、肿瘤或者感染相关。
Most health professionals have finally acknowledged that it's a real and serious illness. But we still don't know what causes it.
大多数健康专家最终承认，这是一种确实而严重的疾病。但我们仍然不知道是什么原因引起的。
We'll analyze the structure and grammar sense of this sentence pattern, try to analyze what causes it, and predict its tendency.
我们将这种句式的结构和表达的语法意义进行分析，并尝试分析这种句式产生的原因，预测其发展趋势。
Autism is more common in boys than girls. What causes it is not clear. Scientists are studying genes and possible environmental influences.
自闭症在男孩中比女孩中更为常见，病因尚不清楚，科学家正在研究基因和可能的环境影响。
To solve this problem, we have to know what causes it and there are two reasons why you might prefer the idea of intelligent design to that of evolution.
要解决这个问题，我们必须要了解起因，有两个原因可能使你倾向于智慧设计论多过进化论。
It is unknown exactly how atherosclerosis begins or what causes it. Some scientists think that certain risk factors may be associated with atherosclerosis, including.
尚未确切的知道动脉粥样硬化是怎样开始的或者是什么引起了它。有些科学家认为某些危险因素可能与动脉粥样硬化相伴随，包括。
This variability has led many people to think of it as a spectrum of symptoms rather than a single, clear-cut syndrome. And that variability makes it hard to work out what causes it.
这种多变性令很多人认为它的症状多样而不是单一明确的，这种多样化加大了对其病因的研究难度。
Scientists do not know what causes acrylamide to form but they believe it occurs as a result of a chemical process during baking, frying, or grilling.
科学家并不知道是什么导致丙烯酰胺的形成，但是他们相信它是在烘焙、油煎、烧烤或烘烤过程中产生的一种化学物质。
It is important to understand what causes your stress in the first place.
重要的是，首先要了解是什么导致了你的压力。
It is not known what causes the disease.
这种病的起因不明。
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