She and her best friend still use it, especially when they do not want their children to know what they are talking about.

VOA: special.2009.12.04

Other cultures are more picky and they don't talk to their children until their children themselves are talking.

其他文化则更加挑剔,直到孩子自己能够开口说话,他们才会和孩子讲话

耶鲁公开课 - 心理学导论课程节选

Other cultures are more picky and they don't talk to their children until their children themselves are talking.

其他文化则更加挑剔,直到孩子自己能够开口说话,他们才会和孩子讲话

耶鲁公开课 - 心理学导论课程节选