It is not known what causes the disease.
这种病的起因不明。
What is one of the main causes of these accidents?
这些事故的主要原因之一是什么？
What causes my stomach to make a low continuous noise when I'm hungry?
当我饿的时候，是什么让我的胃发出一种低而连续的声音？
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。
This is what causes hearing loss.
这就是导致听力丧失的原因。
这种心理状况是由什么引起的呢？
We might have done this one. Okay what causes what?
我们可能做完了这个，什么引起了什么？
Readers, what causes you to feel time pressure?
读者们，什么让你感到时间紧迫？
It is hard sometimes to figure out exactly what causes these.
有时候很难弄清楚到底是什么导致了这些问题。
We might wonder what causes it.
我们会想这个的原因是什么。
What causes your palms to sweat the most?
什么事情最有可能让您的手掌冒汗？
So the motion of the balls clearly cannot be what causes me to see them.
两球之间的运动很明显，并不因为我有没看见而改变。
And unfortunately, the theories that seek to explain what causes what are relatively crude.
不幸的是，相对来说，解释什么引起什么的理论往往是很粗糙的。
But nobody has truly understood what causes it.
但是没有人真正理解问题所在。
We need to understand what causes obesity, and what can really address it.
我们要知道肥胖的成因，以及如何才能真正解决这一问题。
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。
The problem of what causes Alzheimer’s is profound.
引起阿尔茨海默氏病的这个问题很深奥。
The problem of what causes Alzheimer's is profound.
引起阿尔茨海默氏病的这个问题很深奥。
The truth is that scientists still have no idea what causes breast cancer.
事实上，科学家仍没有找到乳腺癌的真正病因。
"International pressure is what causes change," Ahadi said.
“国际压力使是情况有所改变”，阿哈迪说。
It's feedback. What causes it is simple.
导致反馈杂音是容易理解的。
那么，幸福源于何处呢？
But what causes "natural" death?
但是，是什么造成了“自然”死亡呢？
癌症是由什么引起的？
How can you get outside of your perceptions to see what causes them?
你站的地方是对你认知的反应，你怎么能跳出自己的认知来，知道什么引发了他们吗？
什么导致了SAD ？
But some of you might not have found what causes these pole shifts.
但或许你们某些人并不清楚是什么导致了极移。
But some of you might not have found what causes these pole shifts.
但或许你们某些人并不清楚是什么导致了极移。
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