The preface of the book already tells the background of this story.

这本书的前言已经讲述了故事的背景。

The headmaster prefaced the charity evening with an inspiring story.

校长用一个励志的故事开始了这次的慈善晚会。

The book's preface contains hidden clues from the author.

这本书的序言里有作者隐藏的线索。

In the preface the author explains his reasons for writing the book.

作者在前言中阐明了他写这本书的原因

The subject has been referred to cursorily in the preface.

这个问题在序言中已粗略地提到了。

The preface of the book includes an account of the author's life.

该书前言记述了作者生平。

Remember I asked you from the preface, John Ray's preface, to figure out who Dolly Schiller is, who dies in childbed.

还记得我曾让你们找出约翰·雷序言中的，死在产床上的多莉是谁。

I must preface my remarks with an apology.

讲话前，我必须先表示歉意。

I will preface what I am going to say with a few lines from Shakespeare.

我将引用莎士比亚的几行诗作为我讲话的开场白。