卖家英语是：seller。买家英语是：buyer。详细解释:seller 英[ˈselə(r)] 美[ˈsɛlɚ] n. 卖者，卖方; 销售者，销售商; 销售物; [例句]In theory, the buyer could ask the seller to have a test carried out理论上，买方可以要求卖方进行一次测试。buyer 英[ˈbaɪə(r)] 美[ˈbaɪɚ] n. 买方; 买主; 采购员; [例句]Car buyers are more interested in safety and reliability than speed.购车者们更感兴趣的是汽车的安全性和可靠性，而不是它的速度。
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