Web streams use a locking model to prevent multiple consumers from interleaving reads. When you call getReader(), the stream becomes locked. While locked, nothing else can read from the stream directly, pipe it, or even cancel it – only the code that is actually holding the reader can.
soup = BeautifulSoup(html, "html.parser")
，详情可参考Line官方版本下载
以及：Anthropic「蒸馏」了人类最大的知识库
Same-font vs cross-font: font pairing matters
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