I noticed that the learning behavior of individual symptoms when learning. And to ask some people who do not understand the content. And teaching as a special case.
I observed the behavior of each person that had the symptoms when studying and to ask some people who don't understand the content and help to teach a special case.
I noticed that the behavior of each individual School, how do I have to go to school and when you ask someone who didn't understand the content and help teach a special case