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1·For example, an older system might store the term dog with a broader term of mammal and narrower terms of dachshund or bulldog.

例如，旧版系统可能使用广义术语 “mammal” 或者狭义术语 “dachshund” 或 “bulldog” 来存储术语 “dog”。

2·Their WordThink system shelves books using words-labeling the spine of a book with a broad category such as Art and a narrower term such as Drawing.

他们的“WordThink”系列的书架，每一本书的书脊上都有用单词写成的书标，上面是一个大类的名称，比如说艺术，或者是一个比较小的类别，比如绘画。