AA refers to the average sharing of expenses, and is usually used for food and drink, travel, and other occasions.

Analysis:

AA stands for "Algebraic Average". It means "Algebraic Average", which literally means that the bill is shared equally by each person. It is usually used for occasions such as eating parties and traveling.

AA has become a buzzword in today's society, especially in the social dining consumption occasions used more frequently, in many young couples gradually popularized the AA system, the wages of the two couples to manage each other, the debt of each burden. More importantly, the AA system itself promotes self-esteem, self-love and self-reliance.

AA extended meaning:

AA extended meaning can be seen as a kind of today's called "a family" lifestyle, the two are very similar, "a family" covers a larger area of meaning, can cover the The two are very similar, the "family" covers a larger meaning, can cover the AA system, both have the meaning of: in order to achieve a **** the same or **** have the goal, and each contributes their own part of the strength, to complete the benefits of a **** enjoyment.

The difference between the two, AA system is divided equally, and the "family" in the average is not very clear, as long as the combination can be able to achieve the goal can be.