决定，确定 

condition  [kəәnˈdiʃəәn] vt. 决定； n.状况,条件 [ pl.]环境  

determine [diˈtəә:min]vt.决定；确定；使下决心 vi.下决心 

who determine the price

想象  

imagine  [iˈmædʒin]vt.想象，设想；料想，猜想 

She imagines herself to be a true artist. 

envision  [enˈviʒəәn]v.想象；预想 

Americans often envision their country as in some sense "classless". 

visualize  [ˈvizjuəәlaiz]vt.想象，设想 

picture [ˈpiktʃəә] vt.描绘；构想n.画，照片；描绘；画面    

告知 

warn  [wɔ:n] v. 警告；提醒；告诫；事先通知 

alert  [əәˈləә:t] vt.警告；使警惕a.警觉的n.戒备；警报 

The doctor alerted me to the dangers of smoking. 医生警告我注意吸烟的危险。 

caution  [ˈkɔ:ʃəәn] n.谨慎；注意(事项)，警告 vt.劝…小心 

The dean cautioned him against being late. 系主任告诫他不要迟到。 

inform  [inˈfɔ:m] vt.通知 vi.(against)告发，检举 

notify  [ˈnəәutifai] vt.通知，告知，报告