vertical file

vertical-file的词性：
n.（名词）

1. A collection of resource materials, such as pamphlets, clippings from periodicals, and mounted photographs, arranged for ready reference, as in a library or an archive.
供查阅的资料：在图书馆里或档案局里供查阅的资料，例如小册子、剪报和裱装的照片