使用运算符 OR 搜索时，只要与关键字任一侧的表达式匹配，就会返回结果。例如，以下搜索返回包含术语 hello 或术语 world 的文件。
hello OR world
使用 OR 运算符
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最后更新时间 (UTC)：2025-07-26。
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