（用于正式信函开头处）敬启者
something you write at the start of a formal letter or notice when you do not know exactly who it should be sent to
Address your cover letter to the hiring manager. Otherwise, begin it with "To whom it may concern".
On the table was an envelope with "To whom it may concern" written on it.
Her written statement was addressed "to whom it may concern".
To whom it may concern: I am a retail manager with four years' experience seeking employment in this area.
See also: concern verb (INVOLVE)