请教英语内行人，商务谈判礼貌策略研究可以从哪几个方面入手写？

英语论文，怕会写偏掉，请内行帮忙看看。商务谈判礼貌策略研究可以从哪几个方面入手写，除了语言，还有哪些好写点？最好有数据库资料提供哦~`谢谢啊。。

to deal with the disagreement and conflicts in negotiations

Determine each party's interests and neets.

Find out the other party's interests and demands.

Offer constructive options and solutions.

Announce success of negotiations or

Declare failure of the negotiation or negotiations in impasse.

着装，会议场合，出席人员的素质，准备程度。