Now that illiteracy is not so wide spread, people everywhere are free to enjoy great literature.
现在文盲不是很普遍,世界各地的人都可以很自由地欣赏文学作品。
It is almost always due to some very special circumstances that traces of land animals survive,
几乎总是由于某些特殊的条件,陆地动物的遗体才被存下来,