presupposition|presuppositions

每个论证都依赖某种隐藏的预设。

Every argument rests on some hidden ___presupposition.

这种理论的前提是人们具有理性决策的能力。

This theory's ___presuppositions include humans' ability to make rational decisions.

他们的讨论毫无进展，因为双方对基本问题的预设完全不同。

Their discussion went nowhere because they held completely different ___presuppositions about the fundamental issue.