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尚:注重。指礼节上应该有来有往。现也指以同样的态度或做法回答对方。
[courtesy demands reciprocity; deal with sb. as he deals with you; pay sb. back in his own coin] 在礼节上注重有来有往,借指用对方对待自己的态度和方式去对待对方 礼尚往来,往而不来,非礼也;来而不往,亦非礼也。——《礼记·曲礼上》