America's "work-study lesson plan," the German "dual vocational training system," Japan's "industry cooperation" training system, have received very good results.

The government regulates the people's behaviours indirectly with the economic measures There are some troubles in the German enviroment protection also and we should draw a lesson from it.

For example, my german student started playing much better after your lesson! You really said the right things for her, and the others as well.