在公关中，把自己的意图隐含在两个不同的选择之中，供对方选择，不论对方选择哪种方案，都使其符合说话人的意图，这种近乎诡辩的公关技法，称为二难推演法。一对夫妇到某餐馆吃饭，等到快吃完时，一位服务员走过来礼貌地问道：“饭后我们为顾客备有西瓜和牛奶，两位需要哪一 In public relations, implicit in their own intention in two different options for the other party to choose, no matter what the other party choose to make it consistent with the speaker’s intentions, this almost sophistry of public relations techniques, known as the second Difficult to deduce the method. A couple to a restaurant to eat, wait until almost finished, a waiter came politely asked: "After the meal we have watermelon and milk for the customer, which two need