Flu in five charts - how this year's winter outbreak is different
这种宏观环境的变化，促使财政政策实现了从“投资于物”向“投资于人”的范式转移 [1, 7]。在“十五五”期间，政府将显著提高公共财政中基础研究和民生保障的支出占比，教育、社保就业、医疗三项支出合计占比有望突破40% [5, 7]。这种结构性调整直接转化为普通人的政策红利：通过职业教育补贴、创业税费减免以及养老托育服务体系的完善，降低了个体进行阶层跃迁的试错成本 [15, 19, 20]。
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（二）业务之间具有明显的主附关系。主要业务居于主体地位，体现交易的实质和目的；附属业务是主要业务的必要补充，并以主要业务的发生为前提。