谈判和签署

negative signs───[数]负号

negative sign───[数]负号

negotiations───n.谈判（negotiation的复数）；磋商

negotiatresses───谈判

negotiate an agreement───商定协议；签订协议

at sixes and sevens───乱七八糟

metes and bounds───（事物的）公认范围，界限；（房地产的）四至，界线

negative emotions───消极情感（negativeemotion的复数）

negotiable instruments───流通票据；可转让票据

The expo board negotiates with sponsor as purchasing agent, then determines the price and signs a purchase contract, contract cost deducted from donations.───世博局以采购代理的身份与赞助商进行谈判后确定供货价格并签订购货合同，合同的价款从VIK赞助额中扣除。