expand the pie(Description: Change the frame of the negotiation from a zero-sum, win-lose game to a win-win scenario where both sides can benefit more by working together on mutual benefits. Use "we" language rather than "you" and 'I'. Frame the situation as a joint problem where you both want to succeed and that you can both get more by working together. AnnaFromKharkiv)
win-win cooperation(Analysts believe the annual import and export reports will boost global confidence in the Chinese economy and bolster win-win cooperation with China, speaking volumes for the fact that the world rejects the decoupling theory hyped up by some U.S. politicians.news.cnaldrignedigen)
comity(formal – An association of nations for their mutual benefit.: ‘The comity between Canada and the United States is testimony to the strength of liberal peace.'Bullfinch)
