On (the) staff Idiom. US. : Working as a member of the group of people employed by an organization or business. 例子: We have a full time nurse on staff. He's been on the staff for 25 years. …
On (the) staff Idiom. US. : Working as a member of the group of people employed by an organization or business. 例子: We have a full time nurse on staff. He's been on the staff for 25 years. …