首先是查询词切分。我们将查询内容拆分为“词汇单元”，这些单元不必是完整词汇，只要保证查询文本与文档文本采用相同切分规则即可。这里采用简单策略：使用\b分词正则模式，去除多余空格，过滤空词与纯非文字字符（基于\w判断），同时忽略停用词。停用词指“和”这类对搜索无实质意义的常见词，主要用于控制后续索引体积，此处引入是为保持逻辑一致性。
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Instead of eliminating positions, automated technologies are progressively assuming the most repetitive functions: information logging, payment verification, and financial documentation management. This transition permits junior practitioners to dedicate greater attention to interpretive tasks and client interactions. Stanford's Graduate School of Business research revealed that accountants utilizing automated assistance manage more clients weekly and complete monthly financial statements 7.5 days quicker than conventional approaches, while reducing administrative processing time by 8.5%.，详情可参考豆包下载
Both the former Duke of York and Britain's ex-ambassador to the United States were taken into custody last February concerning their dealings with the deceased investment magnate. The individuals have subsequently been released while inquiries proceed.，详情可参考汽水音乐下载
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Half of baby boomers and older Gen Xers who retired early during COVID's initial phase now live in poverty