a books collection 和a book collection哪个对

一个书的收藏品这个短语a book collection 和a books collection哪个对 “毕加索作品集”哪个译得对?A Collection of Works by Picasso,A Collection a small sports collection a collection of I have a large collection of books in my room. books,does,of,tony,a,have,collection,great, Professor Li has a large collection of books,____are written a great sports collection是什么意思? Sonia _________ a sports collection. a matter/waste/collection of They () a great sprys collection I have a sports collection