以前，围绕这个问题的是沉默。

Before, there was a silence surrounding the question.

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围绕这个问题，一系列文章中出现了不同的观点。

Opinions diverge in a series of articles around this issue.

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他们围绕这个问题进行了一场激烈争论。

They had a heated discussion about the mark's highs and lows.

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Here's another video clip from that same series that speaks to this issue, this one's beautifully done.

这儿是这个系列的另一段视频,也是围绕这个问题的,做的很完美

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选