etiquette /ˈɛtɪˌkɛt/ n. (社会或行业中的)礼节,礼仪,规矩

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例句/词组:

medical / legal / professional etiquette

医学界的/法律界的/行业规矩

英语解释：

the formal rules of correct or polite behaviour in society or among members of a particular profession (社会或行业中的)礼节,礼仪,规矩