第五版平裝總共收錄超過110,000英文字彙、片語和釋義，並增添流行新詞，如spyware, blog, iPod等，皆以完整句子解釋字義，易於了解。
從全世界最龐大的Collins語料庫Bank of English(收錄字數多達六億四千五百萬)中，擷取超過75,000個日常實際英文用語例子，可從閱讀例句的上下文學習單字片語的用法。
重要句型與慣用詞語搭配(例如固定介詞的搭配)皆以粗體突顯強調，總共標註超過5,500個用語結構。
標示超過3,000個使用頻率最高的字彙，提供學習者作為優先學習的基本字彙。
詞典後應用英文附錄(Access to English)整理出簡報、論文寫作、商用書信、e-mail、電話英文及履歷等，最常用的句型及用語。
詞典附贈光碟，內含整部詞典及額外例句，輸入方式簡便，搜尋快速，還可錄下自己的聲音與光碟發音比較，改進發音增強口語能力。
Dictionary CD-ROM
新版介面將WordBank 獨立出一個按鈕，供查詢2,816個額外例句（Extra Examples）。
能快速查詢單字，並可全文(Fulltext)搜尋，另可點選查詢Definition, Extra, Examples, Synonyms的個別選項。
每有出現查詢的字，都會顯示成澄黃色而醒目易辨。
在定義之前，皆有Grammatical Notation的標註。

Product Description：
The new fifth edition of the "Collins Cobuild Advanced Learner's English Dictionary" offers up-to-date coverage of today's English in a clear, attractive format. In its attractive two-colour layout, the fifth edition of the "Collins Cobuild Advanced Learner's English Dictionary" offers learners of English detailed coverage of today's language. With lots of new words and phrases and definitions written in simple, natural English, this dictionary is exceptionally easy to use and understand. The examples, which have all been taken from the Bank of English, part of the prestigious Collins Word Web, are invaluable in providing context for words and phrases. Grammatical information and additional information on synonyms, pragmatics and frequency is shown in the Extra Column, making it easy to find and use. In the "Collins Cobuild Advanced Learner's Dictionary" thousands of set grammatical structures, particularly useful to learners of English are identified and highlighted. Useful illustrations cover a range of topics, and the supplement, "Access to English", helps the user with hundreds of practical phrases illustrating important structures in areas such as essay-writing, presentations, report-writing and job applications. "The Collins Cobuild Advanced Learner's English Dictionary" provides invaluable and detailed guidance on the English language, and is the complete reference tool for learners of English. The CD-Rom is PC compatible and contains: "Collins Cobuild Advanced Learner's English Dictionary" - 5 million Wordbank of authentic text samples (written and spoken), with high quality audio pronunciations for headwords, phrases, derived words and inflected forms.

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