This method processes a couple cases the negotiation agree together. This means we will need to know to understand the culture of the language of the case or a pair of ladies.
This method is for the parties to negotiate a mutually acceptable way, we have to know the culture of the party. Or understand the language of the other
This method the parties will find the negotiation process according to this method, we must know the culture of the parties or to understand the language of the other party.