Satisfaction of human expression, behaviour that is abstract. No visible shape. We know that the people are satisfied or not. Can be observed by a relatively complex and there must be something that the person's needs.
Satisfaction man Expresses behavioral abstraction. Can not see into shape. We are aware that People are satisfied or not. You can see by the expression is quite complex. And must have something to meet the needs of individuals.
The satisfaction of human expression of behaviors is abstract. Can"t see a shape that we know that people are satisfied or not. Can be observed by the expression is quite complex. And there must be something directly to the needs of the individual.