于是天空就突然成了新的限制因素，从而触发了新一轮的进化过程。
Suddenly the skies were quite literally the limit, triggering a new evolutionary burst.
在我们的进化历史当中，很少有其他因素能与语言的重要性相提并论。
Few things have been more important to our evolutionary history than language.
在我们的进化历史当中，很少有其他因素能与语言的重要性相提并论。
Few things have been more important to our evolutionary history than language.
应用推荐