Definition: necessary or extremely important Level: B2
定期锻炼对保持健康至关重要。
Regular exercise is ___vital to maintaining good health.
信任在任何牢固的关系中都起着至关重要的作用。
Trust plays a ___vital role in any strong relationship.
我们按时完成这个项目至关重要。
It's ___vital that we complete this project on time.
