[] () the amount that buyers are able to influence price, for example because they buy in large quantities or can choose particular suppliers买方讨价还价的能力（买方若能大量购买或选择供应商，就能够影响价格）◆The supermarket chain's excessive buyer power forced some wholesalers out of business.这连锁超市的过度购买力迫使一些批发商停业。