As the monogamian family has improved greatly since the commencement of civilization , and very sensibly in modern times , it is at least supposable that it is capable of still further improvement until the equality of the sexes is attained .

既然一夫一妻制家庭从文明时代开始以来，已经改进了，而在现代特别显著，那么我们至少可以推测，它能够进一步完善，直至达到两性的平等为止。