[with obj.](of an action, process, or argument) require as a precondition of possibility or coherence (行为,过程,论点)以…为先决条件 his relationships did not permit the degree of self-revelation that true intimacy presupposes. 暴露自己感情可以到什么程度取决于真实的亲密程度,而他的交往关系还不能允许他充分流露感情。 ■[with clause]tacitly assume at the beginning of a line of argument or course of action that something is the case 预先假定;预料,推测 your argument presupposes that it does not matter who is in power. 你的论点预先假定了谁在位并不重要。
语源
late Middle English: from Old French presupposer, suggested by medieval Latin praesupponere, from prae 'before' + supponere 'place under' (see suppose)