ABSOLUTE PRESUPPOSITION绝对预设;绝对推测
cultural presupposition文化预设
presupposition trigger预设触发语
presupposition failure预设失灵
allusion presupposition神典故预设
presupposition detail假定前提
presupposition cancellation种类预设
conventional presupposition规约性预设
N-COUNT（可数名词） A presupposition is something that you assume to be true, especially something that you must assume is true in order to continue with what you are saying or thinking. (尤指必须的)假设; 预想; 预设 [正式]
...the presupposition that human life must be sustained for as long as possible.
...必须让人的生命得以尽可能延长的这种假设。