driven by an ever-changing world... 不断变化的世界

1. Since life first emerged on planet Earth,
   自从生命首次在地球上出现
2. it has never stopped evolving...
   就从未停止演化
3. driven by an ever-changing world...
   不断变化的世界
4. and by intense competition.
   以及激烈的竞争驱使着它
5. But there was one remarkable era
   但有一个令人瞩目的时代
6. when evolution went into overdrive...
   进化进入爆发状态

来自《我们星球上的生命 第一季 第五集 Life on Our Planet S01E05 巨兽阴影下》第 3 行