Propriety suggests reciprocity. It is not propriety not to give out but to receive, or vice versa.
礼尚往来. 往而不来,非礼也;来而不往, 亦非礼也.
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Mere friendly politeness required that he should call to see Dorothea about the cottages.
单单从礼尚往来说,他也应该为村舍的事找一下多萝西娅.
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Their frequent invitation places us under an obligation to invite them to our house for a change.
他们经常邀请我们,我们只好礼尚往来邀请他们到我们家.
《简明英汉词典》
The quid pro quo Stewart Needham had mentioned , with the girl used as a pawn.
这就是斯图尔特·尼达姆所谓的礼尚往来.
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Prone to drowning pet love, love lies in reciprocity, love much less stringent.
母爱容易出现溺宠, 友爱重在礼尚往来, 情爱少了几多严谨.
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Naturally, there should be mutual concession and there should be reciprocity.
自然, 双方都要作些让步,并且要礼尚往来.
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It is important to note as well that transparency must be a reciprocal virtue.
值得一提的是,“透明”也必须是礼尚往来的.
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礼尚往来也是必要的，多次受到中国人宴请，你不妨也回请一次。
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