市场助理的职位空缺——你为什么不申请呢？

The assistant marketing post is ___vacant - why don't you apply?

因此，我相信我适合您空缺的职位。

Therefore, I believe I am suitable for your ___vacant position.

我们的伦敦办事处目前有几个职位空缺。

Several positions are currently ___vacant in our London office.