For a certain reason she began to cry.

由于某种原因，她开始哭起来。

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For a certain reason that advertisement appeared repeatedly in Bob Sugg's mind.

不知为什么，那则启事时时萦绕在鲍勃 萨格的心头。

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The child may choose to go for a certain reason, but he will take care of his mother and come home early.

孩子或许因为一定的理由而选择去，但一定会考虑到妈妈的关心而早一点儿回家。

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If there is atmosphere in the passage I'm about to quote from Macbeth, it must be atmosphere of a certain kind and there for a certain reason.

如果下面这篇《麦克白》里的选段有所谓的“气氛“,那这种气氛一定因为某种原因以某种形式存在着。

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However, workers seem to like them, and for good reason: because they promise a certain level of pension, companies rather than employees carry the main risk.

ECONOMIST: Pensions: How's your pension doing? | The

And for most companies of a certain size, there is no compelling reason to change your Microsoft infrastructure.

FORBES: Why Most Businesses Will Keep Buying Microsoft

For some reason none of us managed to choose a wine that we felt certain would be the best choice for all.

FORBES: Gen Y Secret Is Invisible!