president of a society

例句：

1. 1. The new president has made significant changes to the company's strategy.
   新任总裁对公司的战略进行了重大调整。
2. 2.He is the president of the local government and responsible for managing the affairs of the city.
   他是地方政府的主席，负责管理该市的事务。
3. 3. As the president of the United Nations, he has been working tirelessly to promote peace and development.
   作为联合国主席，他一直在努力促进和平与发展。