说明：  这本书提供自然语言处理领域非常方便的入门指南。 它可以用来自学， 也可以作为自然 语言处理或计算语言学课程的教科书，或是人工智能、文本挖掘、语料库语言学课程的补充 读物。本书的实践性很强，包括几百个实际可用的例子和分级练习。
(This book provides a very convenient entry guide for Natural Language Processing. It can be used for self-study or for nature. Textbooks for language processing or computational linguistics, or supplements to courses in artificial intelligence, text mining, Corpus Linguistics Reading. This book is highly practical, including hundreds of practical examples and grading exercises.)