The advantage of online courses is that lectures are free and you can study at home. Offline teaching can let you feel the learning atmosphere for yourself. You can apply online if you are self-disciplined. If you feel that you can't control yourself to study hard at home, it is recommended to take offline courses. This is a preferential code, which can reduce 50 yuan, and does not conflict with other preferential policies. I hope the landlord will adopt it. bjhg 13004