Reciprocal意思

"Reciprocal" 這個辭彙在不同的 contexts（語境）中可以有不同的含義，但 it often refers to something that is given or done in return for something else.

Here are some common meanings of "reciprocal":

1. Mutual or Reciprocal Action: A reciprocal action is one that is given or done in return for another action. For example, if two countries have a reciprocal trade agreement, they agree to buy and sell goods with each other.

2. Reciprocal Relationship: A reciprocal relationship is one in which both parties give and receive something of value. For example, a friendship can be described as reciprocal if both friends are supportive and caring towards each other.

3. Reciprocal Altruism: In biology and psychology, reciprocal altruism refers to the concept where organisms help each other out, with the expectation that the other will return the favor in the future.

4. Reciprocal Clauses: In legal documents or contracts, reciprocal clauses specify that both parties are obligated to fulfill certain duties or promises.

5. Reciprocal Clubs: These are organizations that have an agreement with other similar clubs, allowing members to use the facilities of the other clubs without additional fees.

6. Reciprocal Pronouns: In grammar, reciprocal pronouns (such as "each other" and "one another") are used to indicate that a action is being performed between a group of people or things.

7. Reciprocal Math: In mathematics, the reciprocal of a number is the number that, when multiplied by the original number, equals 1. For example, the reciprocal of 2 is 1/2 because when you multiply 2 by 1/2, you get 1.

When using "reciprocal," it's important to consider the context to determine which meaning is most appropriate.