Had we chosen this option, sometime around 200,000 years ago, we would probably still be living like the Neanderthals were when we first entered Europe 40,000 years ago.
假如我们在大约二十万年前的时候 选择了这个方法 那也许4万年前我们进入欧洲的时候 还过着尼安德特人一样的生活