AA制，意思是活动的参与者，要平均分担所需费用，通常用于饮食聚会饭局或旅游等活动场合。

「AA」是外来语的传说有下列三个：

"Going Dutch" is a term that indicates that each person participating in a group activity pays for themselves, rather than any person paying for anyone else, particularly in a restaurant bill. It is also called Dutch date, Dutch treat (the oldest form) and "doing Dutch".