介绍一本书的预备性陈述或散文，用以解释其范围、意图或背景，通常由作者撰写

介绍一本书的预备性陈述或散文，用以解释其范围、意图或背景，通常由作者撰写的英文翻译

基本释义

• a preliminary statement or essay introducing a book that explains its scope,intention,or background and is usually written by the author