劍橋詞典the act of sending products to people who have not asked for them, and then demanding payment 慣性銷售（廠商未獲訂購(gòu)?fù)ㄖ阆茸孕薪o買(mǎi)主發(fā)貨，而后再收款的銷售方法） 返回 inertia selling