The ultimate evidence attesting the true nature of something:事情本质好坏的证据:证明某事物真实属性的最后证据:The proof of the pudding is not to be found in preelection polls; rather, it lies in the results of the election.最后的证据将不在选举前的投票中被发现,而是存在选举的结果中
Etymology语源
From the proverb The proof of the pudding is in the eating源自谚语 The proof of the pudding is in the eating