gratuities

n.

报酬( gratuity的名词复数 )；小账；小费；养老金

1. Gratuity is customary in this money-mad metropolis.
   在这个金钱至上的大都市里，给小费是司空见惯的。

Gratuities
Police gratuities: What the public think
Service gratuities and tipping: A motivational framework
Ethics, gratuities, and professionalization of the purchasing function
Gratuities and customer appraisal of service: Evidence from Minnesota restaurants.
Economics and Restaurant Gratuities: Determining Tip Rates
SYSTEMS AND METHODS FOR MANAGING TIPS AND GRATUITIES
Effects of Touch on Gratuities Received in Same‐Gender and Cross‐Gender Dyads
Mail Surveys of Professional Populations: The Effects of Monetary Gratuities on Return Rates.
Response Rates in Survey Research: A Meta-Analysis of the Effects of Monetary Gratuities