After you have found the proper book in the catalogue you have to receive a demand card from a consultant.

在目录柜里面找到正确的书之后，需要到咨询台去拿一张索书卡。

youdao

If you publish a catalogue, include a card where customers can provide the name and address of someone else who might want to receive one.

比如你发布了一个新的商品邮购目录，那么要记得在里面提供地址卡片，以便客户们可以提供其他可能需要该业务的亲戚朋友的地址姓名给你们。

youdao

But users need a "tracker" link to find what they're looking for - like the index card in a library catalogue.

但是用户需要tracker服务器来连接他们所要寻找的文件，就像图书馆目录中的索引卡。

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