Across the world, 在世界范围内

269. Our ancestors discovered how to ensure a stable food supply.
     我们的祖先发现了 确保食物稳定供应的方法
270. And it wasn't just plants they domesticated.
     不仅驯化了植物
271. Animals too.
     也驯化了动物
272. Across the world,
     在世界范围内
273. many hunter-gatherers gave up their nomadic lifestyles
     许多猎手和采集者放弃了游牧生活
274. in favor of farming.
     转而从事农业
275. Slowly but surely, the wilderness was transformed,
     荒野慢慢被改变

来自《我们星球上的生命 第一季 第八集 Life on Our Planet S01E08 冰与火的世纪》第 272 行