make a courtesy call on sb
courtesy 作定语表示“出于礼貌的”，常修饰 call、visit 等词，指礼节性的短暂拜访或问候。
Our new manager made a courtesy call on the neighbouring shop owners.
我们的新经理对邻近的店主们做了礼节性拜访。
免费的；赠送的；作为礼貌的举动给予或完成。；免费提供。
作为礼貌的举动给予或完成。
Given or done as a polite gesture.
免费提供。
Supplied free of charge.
The new manager made a courtesy call to every member of the team.
新经理给团队每位成员打了一通礼貌性电话。
用法提示：courtesy 作形容词修饰 call，表示出于礼貌而打的电话。
We paid a courtesy visit to our new neighbors to welcome them.
我们对新邻居进行了一次礼节性拜访，以表示欢迎。
用法提示：courtesy 作形容词修饰 visit，表示作为礼貌姿态的拜访。
The library sends a courtesy reminder three days before books are due.
图书馆在图书到期前三天发出礼貌性提醒。
用法提示：courtesy 作形容词修饰 reminder，表示出于礼貌而发出的提醒。
courtesy 作定语表示“出于礼貌的”，常修饰 call、visit 等词，指礼节性的短暂拜访或问候。
Our new manager made a courtesy call on the neighbouring shop owners.
我们的新经理对邻近的店主们做了礼节性拜访。
courtesy 作定语还可表示“免费提供的”，除 courtesy car 外，也常见 courtesy bus、courtesy phone 等搭配。
The garage lent us a courtesy car while ours was being repaired.
修理厂在我们自己的车送修期间免费提供了一辆代步车。
grammar · medium
易错句子My new neighbour is very courtesy.
正确表达My new neighbour is very courteous.
courtesy 作形容词时只能用在名词前（如 a courtesy call、a courtesy visit），表示“作为礼貌举动的、免费赠送的”，不能放在系动词后作表语来描述人的态度；要表达人“有礼貌、客气”，必须用形容词 courteous，所以 is 后面应改为 courteous。
grammar · medium
易错句子The airport shuttle is courtesy.
正确表达The airport shuttle is free.
courtesy 是定语形容词，只能紧贴名词前使用，不能像 free、complimentary 那样作表语。要表达“免费提供”这一含义，表语位置应用 free（或 complimentary），也可改说 The airport provides a courtesy shuttle，把 courtesy 放回名词前。
礼节性拜访；礼节性电话
The new manager paid a courtesy call on the neighboring shop owners.
新经理对邻近的店主做了礼节性拜访。
（修车期间）免费提供的代用车
The garage lent me a courtesy car while mine was being repaired.
修理厂在我车维修期间借给我一辆免费代用车。
免费接送巴士
A courtesy bus runs between the hotel and the airport every hour.
酒店与机场之间每小时有一班免费接送巴士。
免费赠阅的副本
The publisher sent her a courtesy copy of the new dictionary.
出版社给她寄了一本新词典的免费赠阅本。
礼节性头衔
He uses "Doctor" as a courtesy title even though he never finished his degree.
尽管他从未读完学位，却使用“博士”这个礼节性头衔。
（供人免费使用的）服务电话
There is a courtesy phone in the lobby for guests who need a taxi.
大堂里有一部供需要叫出租车的客人使用的服务电话。
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