Today we know that the traces he found do not lead back to a social stage of promiscuous sexual intercourse, but to a much later form -- namely, group marriage.

• 现在我们知道，他所找出的这些痕迹，决没有追溯到杂乱性交关系的社会阶段，而只是返回到晚得多的一个形式，即群婚制。