这个读者不喜欢噪音多、没有重点的内容，更喜欢别人提前帮它分好段、打好标签、写好小标题的材料，还偏爱那种一篇内容解决一个问题的结构。
def is_within_directory(directory, target):
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The Future Trajectory of AI Search
Supporters of the moves argue that these changes are long overdue in a country with rapid urban growth and a young population.
According to a report from the nonpartisan Office of Congressional Conduct (OCC), which reviews ethics complaints against lawmakers, the South Carolina representative’s requests for reimbursement had exceeded the total of her DC property expenses during several months in 2023 and 2024, “amounting to an excess of $9,485.46”.