Yemek kursu okullarda zorunlu olmalı.
- A cooking course should be mandatory in schools.
Onlar bunun orada yasak olduğunu söylemezler. Aslında onun zorunlu olduğunu söylerler.
- They don't say that it's prohibited there. In fact, they say that it's mandatory.
This kind of immediate control structure we take to be characteristic of the tribe, and it leads to a rather rigid type of system in which 'every action not mandatory is forbidden'.