So for instance, suppose you want to know, for whatever reason, do babies like the looks of dogs or cats?

比如说,假设你没来由的想知道,婴儿会喜欢狗的模样还是猫的摸样

耶鲁公开课 - 心理学导论课程节选

So I don't know if it Does it matter what you say to babies as long as you say something.

所以我想知道,是不是只要你对婴儿说话就行,说话的内容并不重要

耶鲁公开课 - 心理学导论课程节选

For instance, suppose you want to know if the baby can tell green from red.

比如,假设你想知道,婴儿是否能够区分绿色和红色

耶鲁公开课 - 心理学导论课程节选

And you might think, well, how could you learn anything from that?

你也许会想,你能从婴儿的行为中知道些什么呢

耶鲁公开课 - 心理学导论课程节选

To study what a baby knows, you can't ask your questions.

你不能用提问的方式,去研究婴儿知道些什么

耶鲁公开课 - 心理学导论课程节选