idea和that是什么意思
idean.想法；构思；主意；印象；概念；
thatdet.(指较远的人或事物)那，那个；(指已提到过或已知的人或事物)那；
pron.(指较远的人或事物)那， 那个
We had to work within the parameters that had already been established.
我们必须在已设定的范围内工作。
You could see from his face that he was lying.
从他的表情上你可以看出他在说假话。
Many people do not like the idea of experiments on animals.
许多人不赞成在动物身上做试验。