door-to-door

劍橋詞典

going from one house or building in an area to another
挨家挨戶（的），逐戶（的）
He was a door-to-door salesman before he became an actor . 他當(dāng)演員之前是個上門推銷產(chǎn)品的推銷員。 返回 door-to-door