spend 花费,消耗,用尽（精力等）花（时间）；度过
Amy has no idea where she should spend 艾米不知道她应该在哪儿花钱
Amy has no idea what she should spend 艾米不知道她应该花什么,不对,她当然知道花什么.应该说Amy has no idea what she should spend for 艾米不知道她应该为什么而花钱.
Amy has no idea how she should spend 艾米不知道她应该花什么,不对.应该说Amy has no idea how much she should spend 艾米不知道她应该花多少