I'm calling about your job vacancy.

我想咨询一下你们的职位空缺。

But I am the most qualified for this job vacancy.

但是我是最合适的人选。

When you marry your mistress you create a job vacancy.

娶了情妇，你就制造了一个职位空缺。

I am keen to apply for a job vacancy with your company.

本人非常想应聘贵公司的一个职位。

The job vacancy must have been advertised in Sweden and the EU.

空缺岗位必需在瑞典和欧盟广而告之。