confine to 与 confine in 的区别

问题描述:

confine to 与 confine in 的区别
比如说she was confined to the room for 3 days.可以换为
she was confined in the room for 3 days.
怎么区别什么时候用confine to或confine in

confine to + 一个抽象的事物,或没有范围的,比如 subject, bed
confine in + 一个封闭的空间,比如 *, room