[] () a feeling of worry and disappointment that people often feel after they have bought sth, for example if they feel that it is not as good as they expected or that another product might suit them better认知失调，认知不和谐（人们购物后常感觉所购物品与期望不符或别的物品更适合自己，从而产生的焦虑和失望情绪）◆Almost all major purchases result in cognitive dissonance.几乎所有的大额购物都会导致认知不和谐。