答案1
欢迎新贡献者!这是您的起点。
\documentclass{article}
\usepackage{mathpazo}
\usepackage{tikz,lipsum}
\begin{document}
\lipsum[1]
\begin{center}
\begin{tikzpicture}[>=stealth,line width=2.5pt,
n/.style={text=white,fill=#1,midway},
nodes={font=\bfseries\sffamily}]
\renewcommand{\baselinestretch}{.8}
\def\r{3}
\colorlet{colorA}{red}
\colorlet{colorB}{teal}
\colorlet{colorC}{green!50!black}
\path[nodes={align=center}]
(0,0) node{Pick one\\side of\\the triangle}
(90:\r) node (C) {Free capital\\mobility}
(210:\r) node (B) {Exchange\\rate\\management}
(-30:\r) node (A) {Monetary\\autonomy}
;
\draw[<->,colorC] (A)--(B) node[n=colorC,below=1mm]{C};
\draw[<->,colorA] (B)--(C) node[n=colorA,above left=1mm]{A};
\draw[<->,colorB] (C)--(A) node[n=colorB,above right=1mm]{B};
\path (current bounding box.north west)+(0,5mm) node[right,scale=1.2] {The policy trilemma};
\end{tikzpicture}
\end{center}
\lipsum[2]
\end{document}