Why is he calling attention, in other words, to this logical disparity?

为什么要让读者，注意到他逻辑上的矛盾呢？

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For several reasons, there's a big disparity,

原因有很多，很大的差距是一个原因，

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Followed by a long history of inferior schools and segregation, and also expectation, continued disparity in terms of school and education, which comes to another question.

经过了长时间的,低等教育和种族隔离，以及学校及教育上,长期的歧视和不平等，这就牵扯到了另一个问题。

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