Shindo is a negotiator with the Japanese government, highly renowned for his skill and dedication to the job.  Just before he's scheduled to go on a month long break, he's given the task of buying out a plating factory to convert to a multi-use building.  The terms of the buyout are excellent, and the owner of the factory is very interested. But there's more to the deal that meets the eye, and Shindo goes the extra mile to ensure that both parties to the negotiation get what they really want.
What's best for you is giving both 
parties something in their interest.
.الأفضل لك هو إعطاء كلا الطرفين شيئًا لصالحهم
Den maximalen Gewinn erzielt man,
wenn beide Parteien davon profitieren.
Lo mejor es dar a ambas partes
algo que les interese.
Lo mejor es dar a ambas partes
algo que les interese.
Si les deux parties sont gagnantes,
Produrre utili per entrambi
è il massimo utile anche per se stessi.
O melhor é dar a ambas 
as partes algo que as interessa.