vacancy source

例句：

1. 1. The company is looking for a vacancy source to fill the position.
   该公司正在寻找一个空缺来源来填补这个职位。
2. 2. We need to find a vacancy source to help us with our marketing efforts.
   我们需要找到一个空缺来源来帮助我们进行市场营销工作。
3. 3. The vacancy source will be responsible for managing the project and ensuring its success.
   空缺来源将负责管理该项目并确保其成功。