The first 20 hours-How to learn anything

   From this talking, I learn how to improve myself. When I pay attention to doing something, I will forget about time. The memory will also be particularly deep. 

Practicing the key point is very important. You can also find the key points by taking notes.

Let yourself find mistakes by writing questions.

I'm often influenced by my surroundings, so I turn off the internet when I'm reading.