1, the content is different. The normal version is aimed at the content that everyone can understand, and you can know the essence of things without thinking too much; The advanced version is aimed at a specific group of people and requires a certain cognitive ability to understand.
2. Different directions. The regular version is suitable for children and parents to play together; The advanced version is suitable for children and parents to read together.
3. Different roles. The ordinary version can cultivate children's practical ability, cognitive ability and language expression ability; Advanced edition can cultivate children's reading ability and understanding ability.