if more evidence piles up in favor of prosimian social learning, it’s almost a given that the ability first emerged before prosimian and simian primates split about 63 million years ago, santos said.
如果能够积累更多的原猴亚目社会学习的证据,就能肯定这种能力是在6千3百万年前原猴亚目和猿分家之前就开始出现了,桑托斯说。