商务英语词组大全trustfund信托基金trustreceipt信托收据typesample标准样品ultimateconsumer最后消费者unassignableletterofcredit不可转让信用证uncleanB/L有债务提单unconditionaldelivery无条件交货unconfirmedcredit未确认信用证unconfirmedletterofcredit未确认信用证uncontrollablecosts不能控制的成本unearnedincome未获利润unfavorablebalanceoftrade贸易逆差unfavorabletradebalance贸易顺差unfilledorders未发货的订单unfinishedwork未完成的工作uniformcustomsandpracticefordocumentarycredits押汇信用证统一惯例实务uniformprices固定价格unilateraltrade单边贸易unindorsedcheck未经背书的支票unitcost单位成本unloadcarge卸货unprecedentedrise空前涨价unprecedentedsales空前销售unreasonableprices不合理价格unskilledlabor不熟练工人unsuccessfulbidder未得标商人unusedbalanceofletterofcredit信用证未用余额upsetprice开拍价格,最低价格usualdiscount普通折扣validperiod有效期限validity有效期valuablemerchandise贵重品valueofimport输入价值variablecost可变成本variableexpenses可变费用ventilatedcompartment通风舱verbal(oral)con