For staff in the sense of a body of employees, the plural is always staffs; 例子: we have a full time nurse on staff. Otherwise, both staffs and staves are acceptable, except in compounds;
外企中职位从低到高排序为:senior < staff < principal。具体来说: senior:通常指的是高级工程师,是底层职位中的一大分支,虽然听起来威风,但在整个职位体系中仍处于. Working as a member of the group of people employed by an organization or business.