potluck

n. /ˈpɑːtlʌk/ C1

百家餐；碰运气

A meal where every guest brings some food to share.

仙境例句

There was no plan for tea at the March Hare's house; guests simply took potluck.

在三月兔家喝茶从来没个安排，客人们有什么就吃什么。