VERB
预先假定；以…为前提；以…为先决条件
If one thing presupposes another, the first thing cannot be true or exist unless the second thing is true or exists.
例句
All your arguments presuppose that he's a rational, intelligent man...
你所有论点的前提都是他是一个理性而聪明的人。
The end of an era presupposes the start of another.
一个时代的结束意味着另一个时代的开始。