%%%------------------------------------------------------------------------------------------------------------
%%% 调序模型1：基于距离的调序
\begin{center}
\begin{tikzpicture}

\begin{scope}[minimum height = 20pt]

\node[anchor=east] (s0) at (-0.5em, 0) {$\seq{s}$：};
\node[anchor=west,fill=green!20] (s1) at (0, 0) {\small{在\ \ 桌子\ \ 上\ \ \;的}};
\node[anchor=south] (n1) at ([xshift=-2.5em,yshift=-0.5em]s1.north) {\small{1}};
\node[anchor=south] (n2) at ([xshift=-0.7em,yshift=-0.5em]s1.north) {\small{2}};
\node[anchor=south] (n3) at ([xshift=1.2em,yshift=-0.5em]s1.north) {\small{3}};
\node[anchor=south] (n4) at ([xshift=2.7em,yshift=-0.5em]s1.north) {\small{4}};
\node[anchor=west,fill=red!20] (s2) at ([xshift=1em]s1.east) {\small{苹果}};
\node[anchor=south] (n5) at ([yshift=-0.5em]s2.north) {\small{5}};

\node[anchor=east] (t0) at (-0.5em, -1.5) {$\seq{t}$：};
\node[anchor=west,fill=red!20] (t1) at (0, -1.5) {\small{the apple}};
\node[anchor=west,fill=green!20] (t2) at ([xshift=1.3em]t1.east) {\small{on the table}};

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

\node[anchor=west] (target) at ([xshift=2em,yshift=2.3em]n5.east) {\small{目标短语位置}};
\node[anchor=west] (source) at ([xshift=0.3em]target.east) {\small{源短语位置}};
\node[anchor=west] (distance) at ([xshift=1.5em]source.east) {\small{距离}};

\node[anchor=north] (t1) at ([xshift=0em,yshift=-0.1em]target.south) {1};
\node[anchor=north] (t2) at ([yshift=-1.8em]t1.south) {2};

\node[anchor=north] (so1) at ([yshift=-0.1em]source.south) {5};
\node[anchor=north] (so2) at ([yshift=-1.8em]so1.south) {1-4};

\node[anchor=north] (d1) at ([xshift=-0.1em,yshift=-0.1em]distance.south) {+4};
\node[anchor=north] (d2) at ([yshift=-1.8em]d1.south) {-5};

\node[anchor=north west,fill=blue!20] (m1) at ([xshift=-1em,yshift=-0.0em]t1.south west) {\small{$\rm{start}_1\ \ -\ \ \rm{end}_{0}\ \ -\ \ 1$\quad =\quad 5\ -\ 0\ -\ 1}};
\node[anchor=north west,fill=blue!20] (m2) at ([xshift=-1em,yshift=-0.0em]t2.south west) {\small{$\rm{start}_2\ \ -\ \  \rm{end}_{1}\ \ -\ \ 1$\quad =\quad 1\ -\ 5\ -\ 1}};

\draw[-] ([xshift=0.08in]target.south west)--([xshift=2.4in]target.south west);

\draw[-,thick] (s1.north west)--([yshift=0.3in]s1.north west);
\draw[->,densely dotted,thick] ([yshift=0.3in]s1.north west)--([xshift=0.3in,yshift=0.3in]s1.north west);

\draw[-,thick] (s2.north west)--([yshift=0.3in]s2.north west);
\draw[->,densely dotted,thick] ([yshift=0.3in]s2.north west)--([xshift=-0.3in,yshift=0.3in]s2.north west);

\node[anchor=south] (ld1) at ([xshift=-0.5em,yshift=0.4em]n1.north) {\small{$dr= -5$}};
\node[anchor=south] (ld2) at ([xshift=6.5em,yshift=0.4em]n1.north) {\small{$dr= +4$}};


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