age at retirement

例句：

1. 1. The company is planning to change the retirement age for its employees.
   该公司计划改变员工的退休年龄。
2. 2. He decided to retire at the age of 60, which was a significant milestone in his life.
   他决定在60岁时退休，这是他人生中的一个重要里程碑。
3. 3. Many people choose to retire at an early age, often before they reach their desired age.
   许多人选择在年轻时退休，往往在他们希望达到的年龄之前。