I really don't know which to choose between the two books.
问题描述:
I really don't know which to choose between the two books.
/...know to choose which...
两句有什么差别吗?
答
i really don't know which to choose between the two books.
我真的不知道该在这两本书中选择哪一本.
i really don't know to choose which two books.
我真的不知道该选择哪两本书.