One that sticks out is where different phrases were tested to see which one would make people most inclined to allow someone to break in line at the copy machine.
该研究设置了几个非常有趣的情境，其中一个情境是人们都在复印机前排队，看使用哪种话术时插队成功机率最高。
Double-Reference phrase is different with the other phrases and should make one alone;
复指短语有别于其他类短语，应该独作一类；
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