1, high-quality teaching resources: Xueersi is a well-known educational institution, and its cheats often contain well-designed and planned teaching resources. These resources include detailed knowledge point analysis, exercises and case studies, which can help students better understand and master subject knowledge.

2. Targeted learning content: The Secret Book for Junior and Middle Schools will provide targeted learning content according to students' learning needs and syllabus. This helps students to study more purposefully and improve their learning efficiency.