priority
/praɪˈɒrətɪ/noun
(pl. -ies)
1- a thing that is regarded as more important than others优先考虑的事：
housework didn't figure high on her list of priorities.
她没有把家务活当作优先考虑的事。
1.1
- mass noun the fact or condition of being regarded or treated as more important优先, 重点：
the safety of the country takes priority over any other matter.
国家安全占有最重要的地位。
1.2
- mass noun the right to proceed before other traffic优先通行权：
priority is given to traffic already on the roundabout.
环形路上的车辆优先通行。
词源
late Middle English (denoting precedence in time or rank)： from Old French priorite, from medieval Latin prioritas, from Latin prior： 'former' （see PRIOR1）.