\documentclass[varwidth, preview]{standalone}
\usepackage{amsmath} % for \text
\usepackage{ucharclasses} % for \setTransitonsForChinese
\usepackage{unicode-math}
\defaultfontfeatures{Scale=MatchUppercase, Ligatures=TeX}
\setmainfont{Palatino Linotype}[
Scale=1.0,
Ligatures={Common, Discretionary, TeX}]
% A good sans-serif font matching Palatino is Optima (or its free clone URW
% Classico). A good monotype font matching it is Inconsolata. Math fontseries
% matching it are Asana Math and TeX Gyre Pagella Math.