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He called for "normalcy" -- a new period of peace and quiet, with few changes.
VOA: special.2010.12.16
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You will hear a quiet period and then a louder period.
大家将会听到一段声音低，一段声音稍高。
斯坦福公开课 - 7个颠覆你思想的演讲课程节选
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A quiet period and then a louder period.
声音一段低，一段高。
斯坦福公开课 - 7个颠覆你思想的演讲课程节选
