Each company is fighting to protect its own commercial interests.
每家公司都在奋力保护自己的商业利益。
She gradually fought her way to the top of the company.
她努力奋斗，逐渐登上公司的高位。
Come on, you two, fight fair!
得了，你们俩，要按规则比赛！
Police tried to separate the two men who were fighting.
警察力图把两个打架的人分开。
She'll fight like a tiger to protect her children.
她为了保护孩子，可以凶得像只老虎。