So there's another interesting thing that comes from this realization that humans have a recent common origin in Africa, and that is that when those humans emerged around 100,000 years ago or so, they were not alone on the planet.
另外一个有趣的观点 那就是人类的共同祖先来自非洲 他们出现在 距今10年以前 但他们不是唯一的人类种群