For its purposes, any social regulation of mating and reproduction is as significant as our own, though it may be that of the sea dykes, and have no possible historical relation to that of our civilization.

就其目的而言， 任何交配和繁殖的社会调节都与我们自己的一样重要，尽管它可能是海堤的调节，并且与我们的文明没有可能的历史关系。