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。
While the messages are timestamped, it would be great if there were some stronger visual clues as to which messages are new.
既然每条消息都是时间戳，那么有一些显眼的视觉提示指明哪条消息是新的话将会更好。
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