By the way, how old are the people out there is a good question.

顺便提一下,他们的年龄有多大呢

耶鲁公开课 - 古希腊历史简介课程节选

The question, by the way, was when do children-- in that video when were the-- what were the ages of the children who failed and who passed?

顺便说一下,刚才的问题是,在影片中失败和通过任务的儿童,他们的年龄有多大

耶鲁公开课 - 心理学导论课程节选