1, the content is comprehensive: 38 sets of disciplines in Bourne cover a wide range, which can meet the learning needs of students in various subjects, while the coverage of five or three subjects is less, which can not meet the learning needs of various subjects well.

2. Variety of topic types: Bowen's 38 sets of topic types are rich and varied, which can help students improve their problem-solving ability in an all-round way, while 53 topics are relatively simple and cannot improve their problem-solving ability in an all-round way.