1. From the content point of view, the first volume of the third grade Chinese contains all the Chinese knowledge of primary schools, while the experimental class only contains the knowledge of corresponding grades.

2. In terms of word of mouth, "Senior High School Entrance Examination for Grade Three, Volume One Chinese" has been sold in China for nearly 30 years, and won unanimous praise from the masses with excellent product quality, while "Experimental Class" has a short sales time and poor mass base.