The answer to the question-- The question was, "Your baby's going to coo and 'ga ga, goo goo,' does it matter if you coo and 'ga ga, goo goo' back?"

这个问题是,"你的婴儿一直咕咕咯咯地说婴儿语,你也那样回应很重要吗"

耶鲁公开课 - 心理学导论课程节选