Basic underlying assumptions, or tacit assumptions, are the deeply held but mostly unconscious and invisible beliefs that inform the other two layers of culture.

根据的基本假设，或暗中假设，是根深蒂固的，但在其他两个层次的文化中大多数是无意识和无形的信念。

youdao

That can help deflect some of the furrowed brows and tacit assumptions that maybe, just maybe, you were "laid off, " with flamboyant finger-quotes.

CNN: Web tips for the newly unemployed

Dumb questions test basic, tacit assumptions.

FORBES: The Art (And Wisdom) Of The Dumb Question