Third, keep your card index handy and up to date.

第三, 把索引卡片放在手边,而且查最新的.

秘书英语口语25天快训

The librarians have compiled a card - index catalogue to afford facilities for reference.

为了便于参考起见,图书馆管理人员编制了索引目录卡.

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They had to bring the card index up to date.

他们使得索引卡片跟上发展,不致过时.

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The librarians have compiled a card - index catalogue so that they can afford facilities for reference.

为便于参考起见,图书馆馆员编制了索引目录卡.

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