剑桥词典business specialized to try to persuade a customer who is already buying something to buy more, or to buy something more expensive 向上推销（试图说服顾客购买额外或者更昂贵的产品） They are trained to upsell customers to a larger drink . 他们受到训练如何劝说顾客购买更大量的饮料。 返回 upsell