1. farsightedness: stand tall and look far, and don't talk about things. Sometimes it seems nothing, but careful analysis can still find problems. It is far-sighted to find problems among seemingly absent problems.

2. See the micro-knowledge: that is to say, we should see a development trend and a major event from small things.

3. From the outside to the inside: Analyze the essence of things from the surface.

4. From this to that: Sometimes two things seem to have nothing to do with each other, but they are actually related to each other. You should be able to hang them up.