gratuity相关的词根或词缀是: gratgree

复数： gratuities

The tipping problem in many european countries is solved by automatically adding a 15 per cent gratuity to the bill .

许多欧洲国家自动加收15%的消费费用来解决付小费问题。

In general , the more westernized the place is , the more likely you 'll be expected to leave a gratuity .

总的说来，一个地方西化的程度越高，你就越有可能需要给小费。

Sometimes large parties are unaware that a gratuity has been added to the bill , so they tip on top of it .

很多人有时会忘记账单上已附上小费的费用，于是会发生重复付小费的情况。

Some bills in congress would make the higher gratuity retroactive but not the extra life insurance .

而一些国会的议案只限抚恤金可以追溯，而增加的保险就不必了。

Speaking of tips , you should never offer the bar staff a cash gratuity .

说到“小费”，你可千万别给酒保现金以表示谢意。