详细解释:【经】 两家买主垄断
词型变化：
名词复数:duopsonies详细解释：
du.op.so.ny
n.（名词）【复数】 du.op.so.nies A stock-market condition wherein two rival buyers exert a controlling influence on numerous sellers.双头买方独揽：两个竟争买主对众多卖主具有控制性影响的股市状态
来源：duo- duo-Greek opsônia [purchasing of provisions] from opsônein [to buy food] opson [cooked food] ônô [buying] from ôneisthai [to buy] * see wes- 3希腊语 opsônia [对食品的购买] 源自 opsônein [购买食物] opson [熟食] ônô [购买] 源自 ôneisthai [买] *参见 wes- 3