As the loop progresses, each record is wrapped in its own directory entry tags; after the loop is complete, the setup for the buttons begins.
循环进行时，每条记录都被封装到记录自己的目录条目标记中；循环完成后，按钮的设置就开始了。
An event is a record of what changes have occurred in the event directory.
事件是对事件目录中已发生更改的记录。
The streamlined directory allows additional metadata without pollution of Active Record.
streamlined 目录支持额外的元数据，而不会污染活动记录。
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