我不能直接删除年份部分，想知道如何调整它，因为它只显示一次年份。
%% Code by Claudio:
%% https://tex.stackexchange.com/a/197447/221452
%% Uses code by Andrew:
%% http://tex.stackexchange.com/a/28452/13304
\makeatletter
\let\matamp=&
\catcode`\&=13
\def&{%
\iftikz@is@matrix%
\pgfmatrixnextcell%
\else%
\matamp%
\fi%
}
\makeatother
\newcounter{lines}
\def\endlr{\stepcounter{lines}\\}
\newcounter{vtml}
\setcounter{vtml}{0}
\newif\ifvtimelinetitle
\newif\ifvtimebottomline
\tikzset{
description/.style={column 2/.append style={#1}},
timeline color/.store in=\vtmlcolor,
timeline color=red!80!black,
timeline color st/.style={fill=\vtmlcolor,draw=\vtmlcolor},
use timeline header/.is if=vtimelinetitle,
use timeline header=false,
add bottom line/.is if=vtimebottomline,
add bottom line=false,
timeline title/.store in=\vtimelinetitle,
timeline title={},
line offset/.store in=\lineoffset,
line offset=4pt,
}
\NewEnviron{vtimeline}[1][]{%
\setcounter{lines}{1}%
\stepcounter{vtml}%
\begin{tikzpicture}[column 1/.style={anchor=east},
column 2/.style={anchor=west},
text depth=0pt,text height=1ex,
row sep=1ex,
column sep=1em,
#1
]
\matrix(vtimeline\thevtml)[matrix of nodes]{\BODY};
\pgfmathtruncatemacro\endmtx{\thelines-1}
\path[timeline color st]
($(vtimeline\thevtml-1-1.north east)!0.5!(vtimeline\thevtml-1-2.north west)$)--
($(vtimeline\thevtml-\endmtx-1.south east)!0.5!(vtimeline\thevtml-\endmtx-2.south west)$);
\foreach \x in {1,...,\endmtx}{
\node[circle,timeline color st, inner sep=0.15pt, draw=white, thick]
(vtimeline\thevtml-c-\x) at
($(vtimeline\thevtml-\x-1.east)!0.5!(vtimeline\thevtml-\x-2.west)$){};
\draw[timeline color st](vtimeline\thevtml-c-\x.west)--++(-3pt,0);
}
\ifvtimelinetitle%
\draw[timeline color st]([yshift=\lineoffset]vtimeline\thevtml.north west)--
([yshift=\lineoffset]vtimeline\thevtml.north east);
\node[anchor=west,yshift=16pt,font=\large]
at (vtimeline\thevtml-1-1.north west)
{\textsc{Timeline \thevtml}: \textit{\vtimelinetitle}};
\else%
\relax%
\fi%
\ifvtimebottomline%
\draw[timeline color st]([yshift=-\lineoffset]vtimeline\thevtml.south west)--
([yshift=-\lineoffset]vtimeline\thevtml.south east);
\else%
\relax%
\fi%
\end{tikzpicture}
}
\begin{vtimeline}[timeline color=darkerblue, line offset=2pt]
2016 & Hate speech detection using AI begins\endlr
2017 & Convolutional neural network for document classification. \endlr
2017 & Transformer Paper published. \endlr
2017 & Bi-Transformer paper published.\endlr
2018 & Scaling NLP across many languages.\endlr
2018 & Understanding text in images/videos with ML.\endlr
2018 & CV tools for objectionable content detection.\endlr
2019 & XLM for pre-training cross-lingual models. \endlr
2019 &Self-Supervision improves Hate Speech detection. \endlr
2019 &Improvements in image post classifications. \endlr
2019 &Whole entity understanding.\endlr
2019 &Bi-Transformer in hate speech detection. \endlr
2019 &XLM in hate speech review.\endlr
2020 & Self-supervision enhances hate speech detection. \endlr
2020 & Classification improvements for image posts. \endlr
2020 & Whole entity: More robust image understanding. \endlr
2020 & Whole entity: Weak-supervision. \endlr
2020 & RIO: reinforcement-learning optimization. \endlr
2020 & Linformer: Efficient text encoder.\endlr
\end{vtimeline}