Since you do need to reformat each text block type differently to produce the correct HTML output, a state machine seems like a natural solution.

由于需要以不同方式重新格式化每个文本块以生成正确的HTML输出，状态机似乎就是自然的解决方案。

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This will be used to select the news summary information to output, and then output the appropriate block of text to be spoken.

这用来选择要输出的新闻摘要信息，然后输出适当的要进行朗读的文本块。

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Using the subshell, you can collectively redirect their standard and error output for the entire block instead of for each individual command.

通过使用子外壳，可以对整个块（而不是单个命令）的标准和错误输出进行集体重定向。

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