Each time we produce a new edition of the Longman Dictionary of Contempory English, our aim is always the same: what can we do to make the dictionary more helpful for advanced level students of English? As a result of our continuous research with students and detailed discussions with teachers, we decided to focus on two areas for this, the fourth edition of the Longman Dictionary of Contempory English.
What does this refer to?
I need native speakers' help.
The fourth edition of the Longman Dictionary.