She never lost her youthful idealism and campaigned for just causes all her life.她从未丧失过年轻时的理想主义，终生都在为正义事业而奋斗。We are a minority and must win people round to the justice of our cause.我们属于少数群体，必须赢得人们对我们的正义事业的支持。He gloried in working for a good cause.他因自己为正义事业工作而自豪。