etiquette
/ˈetɪket, -kət; `ɛtɪˌkɛt, -kət/ n[U]
formal rules of correct and polite behaviour in society or among members of a profession 礼节; 礼仪
Etiquette was considered very important in Victorian England. 英国在维多利亚时代非常注重礼仪.
medical, legal etiquette 医务界的、 法律界的成规.