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Thg_王乾懿
etiquette 礼仪,courtesy 礼节礼貌 ,和 manners 行为举止的区别
Just for Fun
片段讲解秀
from:《蒙娜丽莎的微笑》
Etiquette: the customs or rules governing behaviour regarded as correct or acceptable in social or official life
Courtesy is politeness, respect, and consideration for others.
Manner: a person's bearing and behaviour
Definitions from Collins Online Dictionary