\definecolor{ublue}{rgb}{0.152,0.250,0.545}
\definecolor{ugreen}{rgb}{0,0.5,0}



%%% outline
%-------------------------------------------------------------------------

\vspace{-0.5em}

\begin{tikzpicture}

{\scriptsize
{
\node [anchor=north west] (entry1) at (0,0) {\textbf{1:} 这 / 是 / 数据};
\node [anchor=north west] (entry2) at ([yshift=0.1em]entry1.south west) {\textbf{2:} 现在 / 已经 / 实现};
\node [anchor=north west] (entry3) at ([yshift=0.1em]entry2.south west) {\textbf{3:} 确实 / 有 / 很 / 多};
\node [anchor=north west] (entry4) at ([yshift=0.1em]entry3.south west) {...};
\node [anchor=south west] (corpuslabel) at (entry1.north west) {{\color{ublue} \textbf{学习用数据}}};
}

\begin{pgfonlayer}{background}
{
\node[rectangle,draw=ublue,thick,inner sep=0.2em,fill=white,drop shadow] [fit = (entry1) (entry2) (entry3) (entry4) (corpuslabel)] (corpus) {};
}
\end{pgfonlayer}

}

{
\node [anchor=west,ugreen] (P) at ([xshift=5.2em,yshift=-0.8em]corpus.east){\large{P($\cdot$)}};
\node [anchor=south] (modellabel) at (P.north) {{\color{ublue} {\scriptsize \textbf{统计模型}}}};
}

\begin{pgfonlayer}{background}
{
\node[rectangle,draw=ublue,thick,inner sep=0.2em,fill=white,drop shadow] [fit = (P) (modellabel)] (model) {};
}
\end{pgfonlayer}

{
\draw [->,very thick,ublue] ([xshift=0.2em]corpus.east) -- ([xshift=4.2em]corpus.east)  node [pos=0.5, above] {\color{red}{\scriptsize{统计学习}}};
}

{
\draw [->,very thick,ublue] ([xshift=0.2em]model.east) -- ([xshift=4.2em]model.east)  node [pos=0.5, above] {\color{red}{\scriptsize{穷举\&计算}}};
}

{\scriptsize
{
\node [anchor=north west] (sentlabel) at ([xshift=6.8em,yshift=2em]model.north east) {\color{red}{新的句子}};
\node [anchor=north west] (sent) at (sentlabel.south west) {\textbf{确实现在数据很多}};
}
{
\node [anchor=north west] (seg1) at ([xshift=0.5em]sent.south west) {确/实现/在/数/据很/多};
\node [anchor=north west] (seg2) at (seg1.south west) {确实/现在/数据/很/多};
\node [anchor=north west] (seg3) at (seg2.south west) {确实/现在/数/据/很/多};
}
{
\node [anchor=north west] (seg4) at ([yshift=0.5em]seg3.south west) {...};
\node [anchor=east,ugreen] (p1seg1) at ([xshift=0.5em]seg1.west) {P(};
\node [anchor=west,ugreen] (p2seg1) at ([xshift=-0.5em]seg1.east) {)=.1};
\node [anchor=east,ugreen] (p1seg2) at ([xshift=0.5em]seg2.west) {P(};
\node [anchor=west,ugreen] (p2seg2) at ([xshift=-0.5em]seg2.east) {)=.6};
\node [anchor=east,ugreen] (p1seg3) at ([xshift=0.5em]seg3.west) {P(};
\node [anchor=west,ugreen] (p2seg3) at ([xshift=-0.5em]seg3.east) {)=.2};
}

{
\node [anchor=east,draw,dashed,red,thick,minimum width=13em,minimum height=1.5em] (final) at (p2seg2.east) {};
\node [anchor=west,red] (finallabel) at ([xshift=2.5em]sentlabel.east) {输出概率最大};
\node [anchor=north east,red] (finallabel2) at ([yshift=0.5em]finallabel.south east) {的结果};
\draw [->,thick,red] ([xshift=0.0em,yshift=-0.5em]final.north east) ..controls +(east:0.3) and +(south:0.0).. ([xshift=1.0em]finallabel2.south);
}

}

\end{tikzpicture}

%---------------------------------------------------------------------