Agents speak HTML as their native language Let agents express themselves in their native language (for similar reasons, agents produce much better looking slides in HTML than in XML)
agent 把 HTML 当作它们的母语来使用；让 agent 用它们的母语来表达自己（出于类似的原因，agent 用 HTML 生成的幻灯片也会比用 XML 生成的好看得多）。