This course was created with the  Teachable Logo - Dark  course builder. Create your online course today. Start now
Create your course with Teachable Logo - Dark
  Previous Lesson Complete and Continue  

  9.4 如何降低學生流動率？原本買課時數不固定的學生，一次買了我40個小時的課？

Lesson content locked
If you're already enrolled, you'll need to login.
Enroll in Course to Unlock