在专业选择上，“实用主义”成为主流。教育政策分析、健康信息学、ESG管理及网络安全等具备明确政策红利的领域，其就业率与薪资增长远高于纯学术研究型专业 [53, 55]。
Note that IDW often includes a variable exponent that is applied to the distance before taking the inverse. For a given distance , the weight of the candidate becomes:
。91视频对此有专业解读
* @param arr 待排序数组
Smart-case search — case-sensitive only when your query contains uppercase (like ripgrep)