market orders pay the spread

酒席费用由市场定购单来支付

market order [简明英汉词典]
[商][股]市场定购单

pay [简明英汉词典]
[pei]
n.薪水, 工资
v.支付, 交纳, 给予, 有利, 值得, 合算

spread [简明英汉词典]
[spred]
n.伸展, 展开, 传播, 蔓延, 酒席, 宴会, 桌布
v.伸展, 展开, 铺, 涂, 敷, 摆, 传播, 散布