We are now approaching a social revolution in which the economic foundations of monogamy as they have existed hitherto will disappear just as surely as those of its complement-prostitution.

• 但是，我们现在正在走向一种社会变革，那时，一夫一妻制的迄今存在的经济基础，正像它的补充物即卖淫的经济基础一样，不可避免地都要消失。