通常,我们认为免费的东西肯定没有花钱买来的好、昂贵的东西一定比便宜的好。事实是否如此?我们来看两个试验。在一次大会上,参赛者要做一份测试,如果答对了,就有机会赢取丰厚的奖金。回答时,参赛者可以咨询场上的专家,其实这些专家根本不是权威人士,他们的答案完全有可能是错误的。参赛者可以选 Often, we think the free stuff is definitely not expensive, the expensive stuff must be better than the cheap one. Is that true? Let’s look at two experiments. In a conference, participants to do a test, if the correct answer, there is a chance to win a generous bonus. When answering, the participants can consult experts on the court. In fact, these experts are not authorities at all. Their answer may be entirely wrong. Participants can choose