leaders in their chosen field of learning

例句：

1. 1. The leaders of the company are expected to make important decisions.
   公司的领导人预计将做出重要决策。
2. 2. The team's leaders have been working tirelessly to improve performance.
   团队的领导者一直在努力提高表现。
3. 3.The new leader has taken over from the previous one and is making significant changes.
   新任领导接替了前任，并正在进行重大改革。