In truth, there are many causes.

事实上，这次火灾有许多原因。

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Scholars ascribe the trend to many causes.

学者对这种趋势的原因众说纷纭。

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Everything arises from many causes and conditions.

任何事物的产生都有它的起因和条件。

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But philanthropy in America also supports many other causes everything from the arts to animal shelters to summer camps for children.

VOA: special.2009.11.02

And there are many reasons for this, our success in eliminating infectious diseases as causes in the developed world.

还有很多原因,在发达国家我们成功地消灭了感染性疾病

耶鲁公开课 - 生物医学工程探索课程节选

Schistomiosis, which is a worm that lives in river waters, causes terrible diseases that are still prevalent in many parts of the world.

血吸虫,是一种生存在河水中的蠕虫,可以引起严重疾病,并仍在世界上众多地区广泛流行

耶鲁公开课 - 生物医学工程探索课程节选

But polio is just one of many causes, with other viruses and bacteria also responsible.

BBC: Bill Gates: The world can defeat polio

So make no mistake about it: There are still so many causes worth sacrificing for.

WHITEHOUSE: First Lady Michelle Obama Addresses Young African Women Leaders | The White House

The rise of anti-Semitism in the US has many causes, but three parallel developments stand out.

CENTERFORSECURITYPOLICY: Mainstreaming anti-Semitism