为什么选择本网站Why choose this site?
展示Demonstration:
每位老师都必须展示自己和课程，以便学生选择。Every teacher demonstrates himself/herself and his/her courses. It's convenient for students to choose.

记录Record:
在老师的地址里会显示他/她有多少学生，他/她的平均评级是多少；这对老师是激励，对学生的选择也有帮助。同时，学生可以在空间里面记录自己的进步，以便及时调整学习计划。The special URL shows how many students the teacher has and what the average rating he/she has. This stimulates the teacher and help students to choose. And students can record their improvements at Space so that they can adjust their study plans in time.

互动Interaction：
老师与学生互动，学生与学生互动，线上线下互动。Interaction between tutor and student. Interaction among students. Interaction online and offline.