Shampan 'er and Ariely (2006) argue that there are two major reasons why 'free' is so powerful, and they're both emotional.
Shampan和Ariely教授(2006年)认为主要有两个情绪上的原因。
Shampan 'er and Ariely (2006) argue that there are two major reasons why 'free' is so powerful, and they're both emotional.
Shampan和Ariely教授(2006年)认为主要有两个情绪上的原因。
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