transition section

例句：

1. 1. The company is undergoing a significant transition in its operations.
   该公司正在经历重大的业务转型。
2. 2. The economy is experiencing a transition from an industrial to a service-based economy.
   经济正在从工业经济向服务经济转型。
3. 3. The species is undergoing a transition from a terrestrial to an aquatic lifestyle.
   该物种正在从陆地生活转变为水生生活。