来自《耶鲁大学开放课程：聆听音乐 第8集 第8集》

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  The closer these pitches are together,
  两个音之间越接近
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  the more likely they are to be dissonant--
  就可能越不协和
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  and the desire to have some space added there.
  也就要求更多的间隔
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  Questions about that?
  有问题吗
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  Okay.
  很好
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  Let's go on now to talk about chord progression.
  接下来我们谈一下和弦进行
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  Anybody want to do--
  有人知道吗
• 
  
  what's your understanding of what a chord progression is?
  你们认为和弦进行是什么
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  If I said "Chord progression"--
  如果我提到和弦进行
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  I think we have that term up on the board today.
  我好像把这个术语写在了黑板上
• 
  
  What is a chord progression?
  和弦进行是什么
• 
  
  I--let's see.
  有人知道吗