在笼子里是in cages 或in the cages

in cages 或in the cages 都是在笼子里
前者泛指 后者是特定情况下的。

in the cages

应该是：in the cage 吧~~ 自己的意见

in

I have to remind myself that some birds don’t mean to be caged . Their feathers are just too bright. And when they fly away, the part of you that knows it was a sin to lock them up. DOES rejoice. Still, the place you live in is that much more drab and empty that they’re gone. I guess I just miss my friend

不特指的话就是IN CAGES

I have to remind myself that some birds don’t mean to be caged . Their feathers are just too bright. And when they fly away, the part of you that knows it was a sin to lock them up. DOES rejoice. Still, the place you live in is that much more drab and empty that they’re gone. I guess I just miss my friend

不特指的话就是IN CAGES
回答者：包包1013

包包的正确详细！