extrapolate
US /ɪkˈstræp.ə.leɪt/
UK /ɪkˈstræp.ə.leɪt/

1.
推斷, 外推
extend the application of (a method or conclusion) to an unknown situation by assuming that existing trends or observations will continue or apply
:
•
We can extrapolate the results to the entire population.
我們可以將結果推斷到整個人口。
•
It's difficult to extrapolate future trends from limited data.
從有限的數據中推斷未來趨勢很困難。