professional和premium 哪个更好

professional是专业的意思，而premium 则是优质，当然是后者更好 ，例如

We are professional players , but it is not enough. we need to be premium teams as well to win the grand final. 我们是职业选手，但是不够，我们也必须成为优秀团队，才能赢得总决赛。