A reciprocal arrangement or relationship is two-way: two people or groups do or give the same kind of thing to each other. I help you, you help me; one school hosts, then the other hosts; two countries drop fees for each other’s goods.

A reciprocal arrangement or relationship互惠的安排或關係 is是 two-way雙向的 two people or groups兩個人或兩個團體 do or give做或給予 the same kind of thing同一種東西 to each other彼此 I help you我幫你 you help me你幫我 one school hosts一間學校主辦 then the other hosts然後換另一間主辦 two countries兩個國家 for each other's goods對彼此商品 drop fees取消關稅

It is a tidy, rather formal word — contracts, diplomacy, textbooks — though the idea itself is ordinary fairness.

It這 is是 a tidy, rather formal word工整、頗為正式的詞 contracts, diplomacy, textbooks合約、外交、教科書都會用 though the idea itself不過這個概念本身 is就是 ordinary fairness一般的公平

Grammar teachers also call each other and one another reciprocal, because the action goes both ways.

Grammar teachers文法老師 also call也把 each other and one another「each other」和「one another」 reciprocal稱作互惠代名詞 because the action因為這個動作 goes both ways是雙向進行的

In maths, the reciprocal of a number is 1 divided by that number: the reciprocal of 5 is 1/5. That school meaning is very common in Taiwan, and it is the same spelling with a different job.

In maths在數學裡 the reciprocal of a number一個數的倒數 is是 1 divided by that number1除以那個數 the reciprocal of 55的倒數 is是 1/51/5 That school meaning這個學校裡教的意思 is很 very common常見 in Taiwan在台灣 and it is the same spelling拼法相同 with a different job用法卻不一樣

Though actually, life is not always a perfect mirror: people say a relationship is reciprocal when it feels balanced enough, not only when every gift is copied exactly. Do not mix it with respective, which means ‘each to its own.’

Though actually不過實際上 life is not always a perfect mirror生活並不總是完美的鏡子 people say人們會說 a relationship一段關係 is reciprocal是互惠的 when it feels balanced enough只要感覺夠平衡就好 not only when every gift is copied exactly不一定每份禮物都要一模一樣地回報 Do not mix it不要把它搞混 with respective跟 respective which means它的意思是 'each to its own.'「各自的」