The waitress brings over some congratulatory glasses of champagne, courtesy of the restaurant.

蒙饭店的好意，女侍者们送过来几杯表示祝贺的香槟酒。

《柯林斯英汉双解大词典》

By extending the courtesy of a phone call to my clients, I was building a personal relationship with them.

通过给客户打电话这样有礼的行为，我渐渐和他们建立起私交。

《柯林斯英汉双解大词典》

youdao

All legislation,all government,all society is formed upon the principle of mutual concession, politeness,and courtesy.

VOA: special.2009.03.19

A young Danish scientist by the name of Niels Bohr, he just finished his Ph.D. in Copenhagen, and he had won himself a postdoctoral fellowship, courtesy of the Carlsberg Brewery foundation.

一个年轻的丹麦科学家,名字叫做尼尔斯，波尔，他刚刚在哥本哈根取得博士学位，他取得了博士后奖金，由嘉士伯基金资助的。

麻省理工公开课 - 固态化学导论课程节选

So, out of courtesy, I think it's important that we follow the assignment.

所以，出于礼貌，我认为服从分配是很重要的。

麻省理工公开课 - 固态化学导论课程节选

On the Chilean--Pacific--side of the Andes, that's courtesy of the ocean and the cold Humboldt Current.

FORBES: Making a Case for South America

The opening goal came courtesy of a free-kick after Etherington's body check on N'Zogbia.

BBC: Wigan 1-1 Stoke

The visitors then stormed ahead in the 16th minute courtesy of a clinical finish from McGinn.

BBC: McGinn scored for St Mirren at Tynecastle