我将参考资料放在 Beamer 幻灯片的底部。我在同一张幻灯片中两次引用同一个脚注，但 latex 会创建重复的脚注：标签/参考资料不起作用。
我发现了natbib的这个问题的一个版本：投影仪幻灯片末尾的参考资料 但是，我在 Biblatex 中执行此操作，因为我需要格式化引用。
如何引用同一个脚注两次，但又避免创建重复的脚注？我需要重置每张幻灯片的计数器，并从每帧 1 开始。如何重置每张幻灯片的计数器？
\documentclass[hyperref={pdfpagelabels=false},xcolor=x11names,compress,professionalfonts]{beamer}
\usepackage[backend=bibtex,style=verbose,citestyle=authoryear]{biblatex}
\addbibresource{biblatex-examples.bib}
\DeclareCiteCommand{\citejournal}
{\usebibmacro{prenote}}
{\usebibmacro{citeindex}%
\usebibmacro{journal}}
{\multicitedelim}
{\usebibmacro{postnote}}
\renewcommand{\footnotesize}{\tiny}
\newcommand{\customcite}[1]{(\citeauthor{#1}, \citeyear{#1})}
\newcommand{\customfootcite}[1]{\footnote{\citeauthor{#1} (\citeyear{#1}), \emph{\citetitle{#1}.} \citejournal{#1}}}
%\newcommand\foootcite[1]{\footnote{\tiny\bibentry{#1}}\label{\thepage:#1}}
%\newcommand\secondcite[1]{\textsuperscript{\ref{\thepage:#1}}}%This worked in Natbib, but is commented out because I'm using Biblatex now. . .
\DeclareFieldFormat[article]{citetitle}{#1}
\DeclareFieldFormat[article]{title}{\mkbibemph{#1}} %Removes quotiation marks, puts italics
\DeclareFieldFormat[article]{journaltitle}{#1} % italic journal title with comma
\renewbibmacro{in:}{\hspace{-2pt}}
\AtEveryCitekey{\clearfield{pages}\clearfield{volume}}
\include{formatting}
\begin{document}
\begin{frame}{Motivation}
\begin{itemize}
\item Individual investor behaviour: Household finance
\item Rationality in individual preference models vs behavioural finance
\item Rational learning vs biased learning~\customcite{murray}~\customfootcite{murray}
\item Learning by doing vs learning about ability~\customfootcite{murray}
\item Experimental studies: immediate outcomes~\customfootcite{augustine} \& well-structured feedback~\customfootcite{cotton}
\end{itemize}
\end{frame}
\end{document}