Vaccination is a life or death question for poor people and if you can vaccinate a child to prevent a disease from happening it is a lot more cost effective than it is to treat that disease afterwards."

VOA: special.2010.03.29

And I think you can test that by asking the question: if you could educate a child by the age of six.

你们可以通过,问这个问题来验证：,你能教育6岁的孩子吗。

麻省理工公开课 - 媒体、教育、市场课程节选

And the question then is, " "What if a child was raised by a single parent, for example?"

问题是，“要是孩子成长于单亲家庭会怎样“

耶鲁公开课 - 心理学导论课程节选

Now, that's actually a difficult question to ask-- to answer for a child, but I tried my best to give him an answer.

向一个孩子解释这个问题其实挺困难的，但我还是尽力给了他一个答案。

耶鲁公开课 - 心理学导论课程节选

The question is: The conflicts in psychosexual development always assumes that a child has a mother and a father, one of each, in a certain sort of familial structure.

他提的问题是：,弗洛伊德在描述性心理发展过程中,总是假设孩子是拥有父母的，是处于特定的家庭结构之中的。

耶鲁公开课 - 心理学导论课程节选

It's an interesting question as to whether he really explains how a child goes from a concrete thinker to an abstract thinker, or how he goes from not having object permanence to understanding object permanence.

问题是,他是否真的解释了,儿童思维是如何从具体向抽象转变的,或是真的解释了,儿童的客体永存性概念是如何从无到有的

耶鲁公开课 - 心理学导论课程节选