to whom it may concern
US /tə huːm ɪt meɪ kənˈsɜːrn/
UK /tə huːm ɪt meɪ kənˈsɜːrn/

1.
관계자 여러분께
a formal salutation used when the recipient's name is unknown or when the letter is addressed to an organization rather than an individual
:
•
I started the cover letter with 'To Whom It May Concern' as I didn't know the hiring manager's name.
채용 담당자 이름을 몰라서 자기소개서를 '관계자 여러분께'로 시작했습니다.
•
The official notice was addressed 'To Whom It May Concern'.
공식 통지는 '관계자 여러분께'로 되어 있었다.