to provide a book or other piece of writing with a Preface 为…写序言
He prefaced the diaries with a short account of how they were discovered.
他在前言中简要叙述了发现日记的经过。
~ sth by/with sth | ~ sth by doing sth (formal) to say sth before you start making a speech, answering a question, etc. 以…为开端；作…的开场白
I must Preface my remarks with an apology.
讲话前，我必须先表示歉意。