b) experience n. v. /u/ n. ～ in/ of eg:1) 你对这工作有经验吗？ 2) 经验来源于实践。 /c/ n. eg: 3) 那次的车祸对他来说一次可怕的经历。 4) Please tell us your ~s of living abroad for so many years.

Have you had any ~ in work of this sort?

E~ comes from practice.

The car accident was a terrible ~ to him.