Du Bois was concerned that race was being used as a biological explanation for what he understood to be social and cultural differences between different populations of people.

杜·波依斯担心，种族会被用来作为生物学层面上的一种解释，并用以说明他所理解的不同人群之间的社会和文化差异。

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There may also be a deeper cultural explanation for what, to Western eyes, seems an unusual approach.

这似乎是一种不寻常的途径，对此，从西方眼光看来，还有文化上更深层次的解释。

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All this suggests a biological, rather than a cultural, explanation for colour preference.

所有这些都对色彩偏好给出了一个生理的而非文化的解释。

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And then, Whoopi Goldberg, decided to publicize her arrival on The View by offering a cultural explanation for all of this.

NPR: Black Men and Dogs: Don't Believe Vick

For languages, the explanation may be a cultural rather than biological need to distinguish populations.

ECONOMIST: Languages and species evolve in surprisingly similar ways