20200706_找工作-有空缺职位吗？

A: Do you have any available positions at the moment?

     现在有空缺岗位吗？

B: No. There was one post for a waiter at a restaurant, but that's already been taken.

    没了。之前有个餐厅服务生的岗位，但是已经招到人了。

available/vacant  positions/jobs/posts: 空缺的岗位

The post/position/job has been taken. 这个岗位已经招到人了。