Tik Tok· Jiu-Er is an ordinary American college student. According to relevant public information, Jiu-Er of Tik Tok is an ordinary American college student. I have hundreds of thousands of little red book fans. Most Little Red Books will publish some daily volg, and there will also be some daily video introductions of shop exploration, some out-of-the-box video introductions, and some learning methods, especially some dry English.