形容词:presuppositional 名词:presupposition 动词过去式:presupposed 过去分词:presupposed 现在分词:presupposing 第三人称单数:presupposes
pos＝to place,to put（置,放）
v [Tn, Tf] (not used in the continuous tenses 不用于进行时态)
1 assume (sth) to be true beforehand 预先假定（某事物）属实; 预料
*We cannot presuppose the truth of his statements. 我们不能预先假定他的话属实.
2 require (sth) as a condition; imply 以（某事物）为先决条件; 意味着
*Effects presuppose causes. 有其果必有其因.
* Approval of the plan presupposes that the money will be made available. 批准该计画先要有可用的资金.
to depend on something that is believed to exist or to be true
= assume The idea of heaven presupposes the existence of God.presuppose that Your argument presupposes that Dickens was a social reformer.
to have to happen if something is true Without struggle there can be no progress, and struggle presupposes winners and losers.