translation.en: But the difference is that these cultures never expand, never grow, never accumulate, never become combinatorial, and the reason is because there is no sex, as it were, there is no exchange of ideas.
translation.zh: 但有所区别的是 这些文化从来没有扩张，没有增强， 没有积累，也从来没有相结合过。 原因是因为 没有相交配文化，所谓， 没有交换的思想文化。