我只会使用minipage
s。例如:
\documentclass{article}
\begin{document}
by the following CES aggregators:
\noindent
\begin{minipage}{.5\textwidth}
\begin{equation}
C_{O,t}
\end{equation}
\end{minipage}%
\begin{minipage}{.5\textwidth}
\begin{equation}
C_{Z,t}
\end{equation}
\end{minipage}
\end{document}