Zhuge Liang's reading style in Romance of the Three Kingdoms is "reading the outline". What does this mean? What are the advantages of this method? Please elaborate.

People who can use the "concept" reading method are those who can find the essence of their own articles in the complicated text bedding. Such people will generally be widely remembered in blog posts. In other words, extensive reading is the premise of "rough reading".

The advantage of this method lies in saving time and improving learning efficiency.