%%%------------------------------------------------------------------------------------------------------------
%%% 融合用双语短语描述翻译
\begin{center}
\begin{tikzpicture}

\begin{scope}[minimum height = 18pt]
{\small

\node[anchor=north,fill=green!20] (s1) at (0,0) {进口};
\node [anchor=north,fill=red!20] (s2) at ([xshift=4em,yshift=0em]s1.north) {大幅度};
\node[anchor=north,fill=blue!20] (s3) at ([xshift=4.5em,yshift=0em]s2.north) {下降 了};

\node[anchor=west,fill=green!20] (t1) at ([xshift=0em,yshift=-4em]s1.west) {The imports have};
\node[anchor=north,fill=red!20] (t2) at ([xshift=8em,yshift=0em]t1.north) {drastically};
\node[anchor=north,fill=blue!20] (t3) at ([xshift=5.7em,yshift=0em]t2.north) {fallen};

\path[<->, thick] (s1.south) edge (t1.north);
\path[<->, thick] (s2.south) edge (t2.north);
\path[<->, thick] (s3.south) edge (t3.north);
}

\node[anchor=south] (s0) at ([xshift=-2em,yshift=0em]s1.south) {$\seq{s}$：};
\node[anchor=east] (t0) at ([xshift=0em,yshift=-3.5em]s0.east) {$\seq{t}$：};

\node[anchor=south,inner sep=0pt,yshift=-0.3em] (sp1) at (s1.north) {\footnotesize{$\bar{s}_{a_1 = 1}$}};
\node[anchor=south,inner sep=0pt,yshift=-0.3em] (sp2) at (s2.north) {\footnotesize{$\bar{s}_{a_2 = 2}$}};
\node[anchor=south,inner sep=0pt,yshift=-0.3em] (sp3) at (s3.north) {\footnotesize{$\bar{s}_{a_3 = 3}$}};
\node[anchor=north,inner sep=0pt,yshift=0.3em] (tp1) at (t1.south) {\footnotesize{$\bar{t}_1$}};
\node[anchor=north,inner sep=0pt,yshift=0.3em] (tp2) at (t2.south) {\footnotesize{$\bar{t}_2$}};
\node[anchor=north,inner sep=0pt,yshift=0.3em] (tp3) at (t3.south) {\footnotesize{$\bar{t}_3$}};

\end{scope}
\end{tikzpicture}
\end{center}