The record store is timestamped to denote the last time it was modified.
记录存储被盖上时间戳来指示它上次被修改的时间。
The basic notion for this is simple: public Posting with timestamped messages that can be read by users.
实现此目标的基本概念很简单：公开地张贴有时间标记的消息，用户可以读取。
Using pointcuts, you can easily define situations in which a timestamped object should have its stamp updated.
使用 Pointcut，您可以方便地定义环境，加上时间戳记的对象将在其中更新戳记。
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