once and for all在本句中是什么意思They see him as the one figure with the skills and opportunity to prove once and for all whether the model of a one-stop-shop financial firm can live up to its promise. 谢谢大家
问题描述：
once and for all在本句中是什么意思
They see him as the one figure with the skills and opportunity to prove once and for all whether the model of a one-stop-shop financial firm can live up to its promise.
谢谢大家
答
肯定是一劳永逸
答
刷分
可能你的问法不对
once and for all
感觉应该是隔开了的
答
一劳永逸地
答
一个或所有