presupposition

名词 presupposition:

1. the act of presupposing; a supposition made prior to having knowledge (as for the purpose of argument)

1. You have made several unjustified presuppositions.
   你作了一些毫无根据的假设。
2. Bail was refused on the presupposition of his guilt.
   已料到他罪名成立而不准保释。