Registration is on first-come-first serve basis.

研讨会登记以先到先得方式作准。

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Spaces are limited and will be on first come first serve basis.

活动名额有限，报名先到先得。

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Some freelancers operate on a strict "first come, first serve" basis.

一些自由职业者遵循着严格的“先到先服务”的准则。

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They sell them on a first come, first serve basis to the first 20 people in line when the box office opens.

BBC: Broadway on a budget

Apply at the Osakana Fukyu Centre (Fish Information Centre) at the markets as early as possible as people are accepted on a first come, first serve basis.

BBC: Tsukiji Market: Tokyo's famous seafood market

The players must be requested at the time the request for a tour is made through a Member of Congress, and will be available on a first come, first serve basis.

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