说明：  本书自第一版以来，畅销20余年不衰，是软件领域绝无仅有的必读经典。绝对是软件工程里边的神话级产品，现在依然是神话级产品
(Since the first edition, this book has been selling well for more than 20 years and is the only required classic in the field of software. It's definitely a mythical product in software engineering, and it's still a mythical product now)