This refers--this actually goes back to B.F. Skinner, a psychologist who flourished in the first half of this century.

这要追溯到B.F.斯金纳,一位活跃在上世纪前期的心理学家

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The next phrase, B-- is very similar, but here it takes the deviation-- And gets it back-- gets us back to the tonic.

下一乐句,B,与之前非常相似,但从这里偏离,又回来,回到主音

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Well, go back to what I did before.

我会用a*a的b-1次方的形式来表达。

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