And together with the methods to date these genetic differences, this has led to the insight that modern humans -- humans that are essentially indistinguishable from you and me -- between 100 and 200,000 years ago.
再通过使用追溯这些基因差异的手段 我们得到这样一个结论 即现代人 本质上基本相同的你和我 都是在10万至20万年前 在非洲出现并演进的