A bureau is agency within an agency. For example:
ʌ WORD_BOUNDARY b j ʊ ɹ ɹ oʊ WORD_BOUNDARY ɪ z WORD_BOUNDARY eɪ d̠ʒ ə n s i WORD_BOUNDARY w ɪ ð ɪ n WORD_BOUNDARY ʌ n WORD_BOUNDARY eɪ d̠ʒ ə n s i WORD_BOUNDARY f ɔ ɹ WORD_BOUNDARY ɛ ɡ z æ m p ə l WORD_BOUNDARY