How to fight back against scum?

First of all, we must define the learning objectives. With a clear learning goal, you will have the motivation to move forward, and you can also arrange the learning time reasonably according to the learning goal to improve the learning effect and efficiency. From the scum to the bully, you can set yourself a goal of scoring, or master the knowledge points comprehensively.

Secondly, it is necessary to improve the concentration of study and study hard within the specified time to achieve the effect of deep learning.