(Of) all the books (in) this library,this one is the most expensive.
在图书馆所有的书里面,这本是最昂贵的.
of all,在所有的……之中.in the library,在图书馆.
(Of) all the books (in) this library,this one is the most expensive.
在图书馆所有的书里面,这本是最昂贵的.
of all,在所有的……之中.in the library,在图书馆.