The essence of negotiation is communication, and to solve the common problems through communication. When we have trouble with our friends or family, many people prefer a cold war or even verbal attacks. If one of us puts communication forward，we will make it easier to find a solution. Negotiation is an art of compromise, compromise does not mean defeat, it‘s promoting people to get along better。
这是我一字一句斟酌后的答案，2L比较“机械”啊，希望有帮助