The book you want is not in the library catalogue.
你要的那本书不在图书馆目录中。
Look in the catalogue to see whether the library has this book.
查查目录，看看图书馆里是否有这本书。
Help the boy to look up the book in the catalogue.
请帮助这孩子在目录里找找这本书。
He looked in the catalogue to see if they had the book.
他查了查目录，想看看有没有那本书。
You can look for the book in the library catalogue.
你可以在藏书楼的图图书目录次上查寻这本书。
China is the first one who applied book classification in library catalogue.
中国是世界上最早把分类理论应用于目录制作的国家。
China is the first one who applied book classification in library catalogue.
中国是世界上最早把分类理论应用于目录制作的国家。
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