Leonard Green and Joel Myerson, psychologists at Washington University in St. Louis, found the generosity of a tipper may be limited by their bill.

圣路易斯华盛顿大学的心理学家莱昂纳德和乔尔·迈尔森发现，给小费者人是否慷慨可能会受到帐单金额的影响。

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If we know a regular customer is a good tipper, then we make sure he gets good service.

如果我们知道一个老顾客会给不少小费，那么我们就要确保他得到良好的服务。

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Al, Tipper, Hillary, and I had gotten to know one another in a way that would have been impossible without those long hours on the bus.

艾尔、蒂珀、希拉里和我相互了解，如果没有那些漫长的乘车时间，这样的了解是不可能达到的。

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Dr Katharine Giles was cycling to work at University College London (UCL) when she was involved in a collision with a tipper truck in Victoria on Monday.

BBC: Katharine Giles

SEC, 463 U.S. 646 (1983), which established that, in order for a tipper to be held liable, they must not only have disclosed material non-public information, but have also received some personal benefit as a result of the disclosure.

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The collision, involving a Ford Transit Tipper van and a Renault Kangoo, happened at 16:00 GMT on Saturday on the B1077 at Shelfanger.

BBC: Three arrested in Norfolk after fatal crash near Diss