colletion 和colletions的用法?

collection [kə'lekʃən]

n. 收藏品,收集物
Is the collection going to be divided up or sold as a whole?
这批收藏品是零卖还是一起卖?
The firm contributed 10,000 to the collection.
公司拿出10,000元做为募捐。
The painting has pride of place in his collection.
这幅画在他的收藏品中最为珍贵

collections

n. 收集

A book with blank pages for the insertion and preservation of collections, as of stamps, photographs, or autographs.
剪贴簿，影集，签名薄有空白页以便插入或存放收集品，如邮票、照片或签名的本子