这家初创公司的创始人是个多面手，从编程到营销都要亲力亲为。

The founder of this startup is a ___one-man-band, handling everything from coding to marketing.

街头那位一人乐队同时演奏着手风琴、鼓和铃铛，吸引了众多路人围观。

The street ___one-man-band played the accordion, drums, and bells simultaneously, drawing a crowd of onlookers.