\begin{table*}[]
\centering
\begin{tabular}{cclll}
\hline
Method & Metric form & Ideas & Solvers & Reg. \\
\hline
Global DML & Complete PSD matrix & \parbox[c]{4cm}{Maximizing the sum of distances between dissimilar points while keeping the distances between similar examples small.} & \parbox[c]{2cm}{Projected gradient descent; Eigenvalue decomposition.} & No \\
\hline
LMNN & Complete PSD matrix& \parbox[c]{4cm}{Local large margin nearest neighborhood; \\ Slack constraints.} &\parbox[c]{2cm}{ Sub-gradient descent.}& No \\
\end{tabular}
\caption{Caption}
\label{tab:my_label}
\end{table*}
采用\parbox命令，使用方法\parbox{c}{4cm}{text}, 以上latex表格显示结果如下：
