朋友聚餐结束说“我们 AA 吧”。意思是？
After dinner a friend says “let's AA”. Meaning?
全球翻车率（内测预估）
A给好评
gěi hǎo píng · leave a good review
B打包剩菜
dǎ bāo shèng cài · box up the leftovers
✓平摊费用
píng tān fèi yòng · split the cost evenly
D再点一轮
zài diǎn yì lún · order another round
AA 制：友谊的会计学。算得清账，处得长久。
AA制 means splitting the bill evenly — the accounting that keeps friendships alive.