One is saying we should be aware of race differences, we should talk about them, and another is saying actually we shouldn't, we're all people, we're all humans, we're all Americans.

一种说法是我们应该意识到种族差异，我们应该谈论它们，另一种说法是实际上我们不应该，我们都是人，我们都是人类，我们都是美国人。

And finally Section C, which is my personal favorite, was all the various things about intelligence and IQ, and for example, sex differences in IQ, very controversial, even race differences in IQ, even more controversial.

最后，C 部分，这是我个人最喜欢的，是关于智力和智商的各种事情，例如，智商的性别差异，非常有争议，甚至智商的种族差异，更有争议。

When you tell people to be aware of race differences, they usually think of things like culture, cultural backgrounds, or they think about experiences, how people are treated, and opportunities, so inequality, discrimination.

当你告诉人们要意识到种族差异时，他们通常会想到文化、文化背景之类的事情，或者他们会想到经历、人们的待遇和机会，以及不平等和歧视。