This time they let people sample two kinds of candies - peanut butter bars and caramels - and varied the sticker prices for each one.
在这次实验中，他们让人们在饴糖和花生黄油棒棒糖两种价格不一的糖中做出选择。
This time they let people sample two kinds of candies - peanut butter bars and caramels - and varied the sticker prices for each one.
在这次实验中，他们让人们在饴糖和花生黄油棒棒糖两种价格不一的糖中做出选择。
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