1. Teacher Pu Ya has a higher educational background and a higher standard of Mandarin than Teacher Su Yu.

2. Teacher Pu Ya has more teaching experience and speaks in more detail than Teacher Su Yu. Hello, Miss Pu Ya. Chao Ge Education belongs to Beijing Chao Ge Hengxin Education Technology Co., Ltd., which is an online education and training brand based on mobile Internet. Its business covers public service examinations such as civil servants, teachers, institutions, three supports and one support, and provides services through online live courses and teaching services.