甚至他们不知道具体的负责人是谁的翻译：They don't even know who is the head of 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

They do not even know who the specific responsibility

They don't even know who is the head of

Even they did not know who the concrete person in charge is

Even if they do not know the specifics of the responsible person who is

They don't even know who is the head of