And then a third level of fear was actually the fear of certain roles not being needed.

第三个层次的恐惧是担心自己的职位不再需要。

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It doesnt matter whether they are at great elevation or at sea level. John Geiger suggests that the brains effort to create a Third Man is not an accident of human brain structure, or a sign of injury in extreme conditions.

VOA: special.2010.02.24

And our third example touches on not when you are expressing a level of certainty,

接下来的第三个例句并不是用于表示某种程度的肯定，

I'm sure 课堂 - SpeakingMax英语口语达人

Work is already underway on the Level 2 exams, and a third level, for senior administrators, will follow.

CNN: Community efforts in Linux certification

By 1997, real beef prices were a third their level in 1971.

ECONOMIST: Make it cheaper, and cheaper | The

In two months it had reached almost 33 millisieverts, or a third the level normally permissible for those working on a nuclear accident in a year.

ECONOMIST: Cleaning up Japan��s nuclear mess