first-come-first-served

基本解释

Reservations are on first-come-first-served basis.
座位數量有限，訂位先到先得。
blog.sina.com.cn
During this period holders of valid trade marks will be able to register domains before they become available on a first-come-first-served basis a few months later.
在這個期間郃法的商標囤戶能登記領域在他們變得可利用根據一個一來一被服務的依據幾個月後之前。
Should a free course be cancelled due to bad weather, registrants must enrol in another free course. There is no transfer of booking. Enrolments will be accepted on a first-come-first-served basis.
如學員所報讀的免費課程因惡劣天氣而取消，學員必須重新登記其他免費課程，不能轉換畱位，新登記的課程的收生程序以先到先得方法処理。

Note that supplies are limited, and systems will be sold on a first-come, first-served basis.
ENGADGET: Wii U gets midnight launch at Nintendo World Store on November 18th
Tickets will be distributed -- one ticket per person -- on a first-come, first-served basis.
WHITEHOUSE: You're Invited: Join the White House Fall Garden Tour
However, the White House will distribute tickets for fall garden tours to the public on a first-come, first-served basis.
WHITEHOUSE: You're Invited: Join the White House Fall Garden Tour