First come,first served.为什么用served?如果是被服务,为什么没有谓语?

First come,first served.为什么用served?如果是被服务,为什么没有谓语? first come first served翻译 First come first served.中的“SEVED”是啥意思? first come first served,subjected to availability First come first served to adopt翻译中文 first come fisrt served 是先来阐释先服事的意思吗? 英语翻译简单英语谚语翻译：1.first come,first served.、2.one never notices Love did not first come, first served not only loved the tal 英语翻译-No reservations,first come,first served.-Rent must be p It is first come ,first served whether we are in hurry or no Is this the man that you served 为什么用that 杠杠上填serving 还是served 为什么?