一位心理学教授做了一个有趣的实验 ,他让研究生们分别到街头去问路人要钱 .他们都用统一的说辞 :“我需要 79分 ,你愿意帮助我吗 ?”结果 ,每个路人都慷慨解囊 ,有的甚至超过学生要的数字 .原来关键是“79”这个数字 ,它之所以有效 ,是因为它掌握了人们潜意识里对数字的认识和 A psychology professor made an interesting experiment. He asked graduate students to go to the streets to ask passersby for money. They all used a unified rhetoric: “I need 79 points. Will you help me?” All of them are generous, some even exceed students’ numbers. The original key is the “79” number. It is effective because it has mastered people’s understanding of numbers in the subconscious and