uncertain consumer preference [經(jīng)濟學(xué)]消費者偏好不確定uncertain about 對…不能肯定uncertain (adj.) uncertain adj. 無把握的；多變的；不確定的；信心不足的；靠不住的unceremoniousness n.無禮unceremoniously adv.隨便地；不莊重地；無禮貌地unceremonious (adj.) unceremonious adj.不拘禮儀的adv.無禮地，粗魯?shù)?，唐突地n.不拘禮儀，無禮，唐突unceremonial adj.不拘儀式的；隨便的uncensored (adj.) uncensored adj.未經(jīng)審查的；無保留的；不拘束的uncemented adj.未膠結(jié)的uncelestial adj.非天上的unceasingness adj.不絕的；不斷的；不停的unceasingly adv.繼續(xù)地；不斷地unceasing (adj.) unceasing adj.不絕的；不斷的；不停的unceaainty 不可靠度unce-pot 撒粉罐uncaused adj.無前因的(非創(chuàng)造的；自存的)