1, it's so trendy. Ai Tang Xue is a leading platform for K 12 education and large-scale open online courses in primary and secondary schools in China, and its learning methods are too trendy to be recognized.

2. This model is newly developed. The online learning video of "synchronous teaching materials+fun+animation+personality" created by Ai Tangxue is a newly developed teaching mode, which is not recognized because it has no results.