premium rate
adjective
■describes a telephone number or service that costs more to call than a normal telephone number （电话号码或通话服务）高价的，费用高的•a premium rate number/line/service高价号码／电话线路／通话服务 •You had to call a premium rate line to enter the contest.要参加比赛必须拨打一个收费很高的电话号码。 |