These rules of life determine how dynasties will rise and how they will fall. 这些生命法则决定着王朝的兴衰

253. Only the best adapted will win through.
     适者生存
254. Competition drives evolution.
     竞争推动适应
255. And a rapidly changing planet causes chaos.
     快速变化的星球引发混乱
256. These rules of life determine how dynasties will rise and how they will fall.
     这些生命法则决定着王朝的兴衰
257. Every single thing alive today
     今天活着的一切
258. can trace its heritage back four billion years.
     都可以追溯到40亿年前
259. This in the face of incredible odds.
     面对的是如此不可思议的概率

来自《我们星球上的生命 第一季 第一集 Life on Our Planet S01E01 生命法则》第 256 行