Card marking algorithms can add as little as two or three machine instructions per non-initializing heap pointer store, and entails scanning any objects on dirty CARDS at minor collection time.

对每一个非初始化堆指针存储，卡片标记算法可以只增加两到三个机器指令，并要求在小的收集时对所有脏卡片上的对象进行扫描。

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An accounting card is the first card of every job and is used for recording the machine time to process the job.

一个记账卡是每个作业的第一个卡片，它被用来记录处理本作业的机器时间。

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After passing the card through the machine a second time, she apologized.

NEWYORKER: Another Manhattan

Customers could buy Internet time on a card and check email on any number of computers, but most would play the slot machine-style games.

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