# 害怕損失以及貪小便宜是天性,聰明的廠商以此設計包裝了新的行銷手法──免運費、免服務費、免費入場、零熱量,其實,政府也可以運用來推動一些公共政策。免費真是有神奇的魔力!——《誰說人是理性的!【全新增訂版】》
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