My Patreon ( to watch all my video lessons with PDF by monthly subscription)
https://www.patreon.com/smartmandarin/posts
My online school ( Get completely theme courses with PDF file and interactive question-answer support)
https://smart-mandarin.teachable.com/
對不起我的中文不好 music video
https://www.youtube.com/watch?v=2XTBwvi0h2E
