Exogamy remains much less prevalent among African Americans.

异族婚姻在非洲裔美国中仍然很。

For two millennia, exogamy was a major transgression for Jews.

千年来，异族婚一直是犹一大禁忌。

The chief of these questions respect the origin of exogamy and of endogamy.

这些问题中最首要同外婚制和内婚制起源有关。