1. Content richness and quality: Textbook Help is an online learning platform focusing on the field of education, providing various teaching materials and learning AIDS. The textbook content of the textbook group has been strictly screened and optimized, and the quality is high, which can meet the learning needs of students. In contrast, the colorful classroom content is relatively small or not comprehensive enough to provide the same rich learning resources.

2. Learning AIDS and technical support: Textbooks help to provide various learning AIDS, such as online exercises, topic explanations and study plans. To help students better understand and master knowledge. The textbook help also provides technical support to ensure that students can use the platform smoothly in the learning process. In contrast, colorful classrooms are not as good as textbooks in terms of learning AIDS and technical support.