“先來后到”，漢語成語，按照來到的先后而確定次序，可以翻譯為“in order of arrival”。與英文慣用語“first come, first served”意思相近，表示“the first people present will be the first to receive something”。

例句：

該系統(tǒng)注冊完全依照先來后到的順序運作。
The registration system was entirely first come, first served.

買票應該有個先來后到。
The tickets should be bought on a first come, first served basis.

應聘者將按先來后到接受面試。
The applicants will be interviewed in order of arrival.

Editor: Jade