concept of non-reciprocity

例句：

1. 1. In economics, non-reciprocity refers to situations where the benefits and costs of an action are not balanced.
   在经济学中，非互惠性指行动的收益和成本不平衡的情况。
2. 2. The law of non-reciprocity states that if two parties have a contract, they cannotrenege on it without mutual consent.
   非互惠法则指出，如果双方有合同，未经双方同意不得毁约。
3. 3.The non-reciprocity in the relationship between parents and children is often overlooked, but it plays a significant role in shaping their interactions.
   父母与子女之间的关系中的非互惠性往往被忽视，但它在塑造他们互动方面起着重要作用。