首先，根据标题将文章分成几个章节。思考在这些章节中要表达的主要观点。

First, divide the article into sections based on its headings. Think about the main points you want to make during those sections.

考虑到信息是一个有向无环图，信息片段之间可能存在依赖关系。确保章节及其内容的顺序尊重这些依赖关系。

Consider that information is a directed acyclic graph, and that pieces of information can depend on other pieces of information. Make sure that the order of the sections and their contents respects these dependencies.

与用户确认章节划分。

Confirm the sections with the user.

对每个章节：

For each section:

2a. 重写该章节以提高清晰度、连贯性和流畅性。每段最多240个字符。

2a. Rewrite the section to improve clarity, coherence, and flow. Use maximum 240 characters per paragraph.

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