如果你的所有关系都完美地演化，你永远没有争论、没有不同意见，甚至没有观点的差异，你永远也学不到任何东西。
If all of your relationships evolved perfectly and you never had any arguments, disagreements, or even differences of opinion, you'd never learn anything.
相对立的观点则认为哺乳类和鸟类在恐龙灭绝之后才成功并演化为各种不同的物种。
The opposing view is that mammals and birds did not become successful and radiate into many different species until after the demise of the dinosaurs.
克里斯·斯特林格教授，是伦敦自然史博物馆研究人类起源的专家，他表示赞同马里恩教授关于早期智力演化的意见。但他说，他并不认同现代人类均起源于同一群人的观点。
Professor Chris Stringer, a human origins expert at the Natural History Museum in London, said he agreed with Professor Marean's views on the early evolution of intelligence.
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