knock on doors短语⁷⁹⁹⁷⁸⁺⁹ 基本例句 🌏敲门 His firm operates through a network of locals who knock on doors and pester their acquaintances to buy lipstick and shampoo. These salespeople also recruit other salespeople. 他的公司通过那些上门销售和劝说熟人购买口红和洗发香波的当地人网络来运作，这些销售人员也会雇用其他人销售。 yeeyan