更为重要的是,该项合作可避免贵我两公司在××方面成为竞争对手,从而达到双赢的目的. What is more important,we could become partners instead of competitors in this project.This is a win-win situation. by the way,the term "win-win" is more popular abroad.
竞争对手:Rival 双赢:Mutual benefiting More importantly, this cooperation could prevent both of us from becoming rivals in XX and therefore achieve mutual benefiting. win-win是典型的中国式英语,不合适,外国人也看不懂。要从词句的真正含义出发来翻译,才能让人理解。