Educating children is a typical complex problem. Because in the process of children's growth, we can't judge which thing, which picture, which sentence, which trip, which experience has influenced children and refreshed his values.

complex system

Raising children is a complex system, because it can't be traced back and it is difficult to verify.

Automotive Systems

The automobile system is a simple system, because knowing every side and detail of a thing will surely give you a complete picture of it.

The Butterfly Effect

The butterfly effect is an example of a complex system, because the causal relationship between butterfly wings and tornadoes cannot be traced back.