Cialdini conducted a study in San Diego in which coat hangers bearing messages about saving energy were hung on people's doors.
西奥迪尼在圣地亚哥进行了一项研究，在研究中他把写有节能信息的衣架挂在人们的门上。
The magnet creates a field that changes the polarity of a tiny, tiny portion of the metal particles which coat each platter's surface.
这个磁体创建一个磁场，能改变覆盖在磁盘表面的小金属粒子的极性。
The magnet creates a field that changes the polarity of a tiny, tiny portion of the metal particles which coat each platter's surface.
这个磁体创建一个磁场，能改变覆盖在磁盘表面的小金属粒子的极性。
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