a matter of top priority最优先考虑的事；当务之急
We need to solve this problem as a matter of top priority.我们需要优先解决这个问题。
Those are some of the top stories in the news.以上是其中一些最重要的新闻报道。
Management consultancy was the top choice of career among 11,500 students in a survey this year.在本年度对11,500名学生的一次调查中, 管理咨询是职业首选。