[mass noun]the showing of politeness in one's attitude and behaviour towards others 礼貌;谦恭 he had been treated with a degree of courtesy not far short of deference. 人们对他非常谦恭有礼,近乎敬重。 ■[count noun](常作 courtesies)a polite speech or action, especially one required by convention (尤指社会习俗要求的)有礼貌的话语(或行为) the superficial courtesies of diplomatic exchanges. 外交活动中表面的礼貌。 ■[as modifier](especially of transport) supplied free of charge to people who are already paying for another service (尤指车)免费接送的 he travelled from the hotel in a courtesy car. 他乘坐免费接送车离开旅馆。 ■[count noun](archaic)a curtsy (古)屈膝礼
常用词组 by courtesy
as a favour rather than by right 出于好意;出于礼貌 he was not at the conference only by courtesy. 他出于好意才没有参加会议。
(by) courtesy of
given or allowed by 由…提供;蒙…允许 photograph courtesy of the Evening Star. 《明星晚报》提供的照片。 ■(informal)as a result of; thanks to (非正式)作为…的结果;由于…的好意
语源
Middle English: from Old French cortesie, from corteis (see courteous)