Why can I only record sound faster in the paid course of Aauto?

Paid courses in a AutoFast can only be recorded by sound.

Broadly speaking, curriculum is an educational experience, which is the sum of various factors that have a positive impact on the subject; In a narrow sense, curriculum refers to the educational factors existing and generated in the school field, which are helpful for students' positive and healthy development, as well as the educational experience gained by students.

The word "curriculum" first appeared in the Tang and Song Dynasties in China. In the Tang Dynasty, Kong Ying Da gave a brief explanation of the sentence "Sleeping in a temple, a gentleman makes it" in The Book of Songs: "Teaching and nursing courses must be supervised by a gentleman and made according to law." But the meaning of the courses here is far from what we usually call courses.

20 19 1 1, Aauto short video and the Spring Festival Evening officially signed the brand service project of "Brand Power Project". Aauto Quicker became the exclusive interactive partner of CCTV Spring Festival Evening in 2020, and launched the Red Packet Interactive in the Spring Festival Evening. On February 5th, 20021,Aauto Quicker was officially listed on the Hong Kong Exchanges and Clearing Limited, with an initial public offering financing scale of US$ 5.4 billion. On March 23rd, Aauto Quicker released the fourth quarter and annual financial report of 2020. A Auto Quickers' annual revenue in 2020 is 58.78 billion yuan, and the market expectation is 59.382 billion yuan.