使用排除法
by removing from several possible answers the ones that are unlikely to be correct until only one is left
We eventually found the answer by a process of elimination. 我们最终运用排除法得到了答案。
There is no fail-safe test for Alzheimer's, so doctors use a process of elimination to make their diagnosis.
Injuries meant that the gymnastics coaches picked their teams less by selection than by a process of elimination.
By a process of elimination, they decided that the cause of the fire was arson.
By a process of elimination, I worked out that the flowers had come from Adam.
See also: elimination