绪言的英文：
preface
n. 前言，引语
v. 作序，以…开始
That book has a preface, not a foreword.
那本书有序文，没有前言。
The preface is complete in itself.
这前言本身就是完整的。
The accident was the preface to a great scientific discovery.
这一偶然事件成了一项重大科学发现的开端。
Can you please preface my book?
你能给我这本书作序吗？
The preface of the book includes an account of the author's life.
该书前言记述了作者生平。