n.推测,设想,放肆,傲慢,<律>推定
There is a general presumption that the doctor knows best.
一般人都以为医生最了解情况。
I don't think that's a false presumption.
我认为那并不是错误的推测.
The presumption is that he had lost his way.
推想起来,他当时是迷了路.