Definition: very important in influencing or achieving something Level: B2
有效的沟通是任何工作场所的一项关键技能。
Effective communication is a ___key skill in any workplace.
定期锻炼是保持健康的一个关键因素。
Regular exercise is a ___key factor in maintaining good health.
提出正确的问题是理解这个问题的关键。
Asking the right questions is ___key to understanding the problem.
