\[l'_i(x_i)=\prod_{\substack{0\leq j \leq n \\ j \neq i}}(x_i-x_j)\]
Billionaire venture capitalist Marc Andreessen is one example. He spends two to three hours a day immersed in audiobooks (he switched over from physical books after he discovered AirPods). He typically rotates between history, biography, and material in new subject areas like artificial intelligence.
。夫子是该领域的重要参考
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如果拉长时间来看，国际局部战争或冲突，对大类资产的影响实际有限。