"What if we just looked at children within the United States?

"要是我们只研究美国儿童又会怎样呢"
Don't these children get feedback?"

难道这些儿童们得不到反馈信息吗
And the answer is yes and no.

对这个问题的回答是既有又没有
So your average highly educated Western parent

受到普通高等教育的西方家长
does give their children feedback

确实会根据儿童所说的内容
--do give their children feedback based on what they say.

而给予他们反馈
But they don't typically give feedback

但他们通常不会根据儿童所说话语的语法
based on the syntax or grammaticality of what they say.

或者是否符合语法来给予反馈
The example given by Brown and Hanlon

布朗和汉隆在二十世纪七十年代的
in the classic study in the 1970s

一个经典研究中给出了一个例子
is they did all of these studies

他们做了很多这样的研究
looking at what children say and how parents responded,

探查儿童的话语和父母的反应