And, finally, have we not seen that in the modern world monogamy and prostitution are indeed contradictions, but inseparable contradictions, poles of the same state of society?

• 最后，难道我们没有看见，在现代世界上一夫一妻制和卖淫虽然是对立物，却是不可分离的对立物，是同一社会秩序的两极吗?