There is a mass of detailed work to be done -- the nuts and bolts. This is often put into the hands of specialists.

有大量的细节性工作要做，也就是基本细节。这些工作通常由专门人员来做。

She only had updates every couple of weeks and she was surrounded by advisors who did the nuts and bolts business of administering the Empire.

她每隔几周才更新一次，周围都是负责管理帝国的具体事务的顾问。