According to a survey by the economist Ofer Azar, the absolute size of tips in the US is overwhelmingly dependent on the size of the bill.

经济学家奥费尔·阿扎尔(Ofer Azar)的调查发现，在美国，小费的绝对金额在很大程度上取决于账单金额。

But this kind of giving has been hampered by a lingering British snootiness about large donations from wealthy men such as Mr Ofer, who expect public recognition for their munificence.

但这样的捐款却因为英国人一直以来对富豪大笔捐款的不屑而被搁置。 奥林佛这样的富豪希望在捐款后得到公众对他慷慨精神的认可。