first come, first served
成語所屬單字serve
first come, first served — 慣用語
1. people are dealt with in the order they arrive — those who come earliest get att
1.慣用語
釋義
先到先得
people are dealt with in the order they arrive — those who come earliest get attention, seats, or items first
例句
Free festival tickets are handed out first come, first served at the town hall.