\begin{table}[t!]
\caption{Training time comparison.}
\label{table:training_time}
% \vspace{-5pt}
\centering
\begin{adjustbox}{width=0.48\textwidth}%\setlength{\tabcolsep}{4pt}
\begin{tabular}{@{}lcccccc}
\toprule
Models & 4h & 8h & 12h & 16h & 20h \\
\midrule
Ours & -116.39& -13.00 & -3.89 & -5.30 & -2.19 \\
MuZero & -134.16 & -114.96 & -80.60 & -52.21 & -49.60 \\
\bottomrule
\end{tabular}
\end{adjustbox}
% \vspace{-0.5cm}
\end{table}