monovacancy

例句：

1. 1. The job market is experiencinga significant increase in vacancies.
   就业市场正在经历显著的职位空缺增加。
2. 2.The company has been hiring for several monthswithout finding any suitable candidates.
   该公司已经招聘了几个月，但一直没有找到合适的候选人。
3. 3.The office needs some new volunteers to fillthe vacancies.
   办公室需要一些新的志愿者来填补空缺。