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。
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。
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.
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