CategoryCountPurposestandard74Latin-primary fonts: Arial, Menlo, Georgia, Helvetica, etc.script49CJK, Indic, Thai fonts that also contain Latin glyphsnoto103Noto Sans variants for non-Latin scriptsmath3STIX Two Math, STIX Two Text, STIXGeneralsymbol1Apple Symbols
\[l_i(x)=\frac{l'_i(x)}{l'_i(x_i)}=\prod_{\substack{0\leq j \leq n \\ j \neq i}}\frac{x-x_j}{x_i-x_j}\]，这一点在heLLoword翻译官方下载中也有详细论述
Children's literature。同城约会对此有专业解读
Universality is Key:，更多细节参见91视频