What is reciprocity? make it understandable?

the practice of exchanging things with others for mutual benefit, especially privileges granted by one country or organization to another Here is a sentence the Community intends to start discussions on reciprocity with third countries

the practice of exchanging things with others for mutual benefit, especially privileges granted by one country or organization to another.

- try some gum that makes you stop for awhile, and hide all of your drinks, it's best off without them anyways.

- try to reason with them, and come to an understanding in some