老经验

例句：

1. 1. He has accumulated a wealth of experience in the field.
   他在该领域积累了丰富的经验。
2. 2. She gained valuable experience through her volunteer work.
   她通过志愿工作获得了宝贵的经验。
3. 3. The old man's advice was incredibly helpful for me.
   那位老人的建议对我来说非常有帮助。