目前的理解是 “預(yù)先給定的東西（條件），已經(jīng)實(shí)現(xiàn)的東西（條件）”

The response given through such a medium, often in the form of an enigmatic statement or allegory.
https://www.wordnik.com/words/oracle

https://www.sciencedirect.com/sc ... i/S0168007214000451
One approach is to allow randomness tests to access the measure λ as an oracle (which we call the “classical approach”)，