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\documentclass{article}
\usepackage{enumitem}
\begin{document}

\begin{enumerate}
  \item List item
  \item Another list item
\end{enumerate}

Paragraph of comments on list items 1 and 2.

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\begin{enumerate}[resume]
  \item Further item
  \item Final item
\end{enumerate}

\end{document}

\documentclass{article}

\newcounter{tempcounter}

\begin{document}

\begin{enumerate}
\item first;

\item second;
  \setcounter{tempcounter}{\value{enumi}}
\end{enumerate}

This is a paragraph.

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\begin{enumerate}
  \setcounter{enumi}{\value{tempcounter}}
\item third;

\item and so on...
\end{enumerate}
\end{document}

\documentclass{article}
\usepackage{enumitem}
\begin{document}

\begin{enumerate}
  \item List item
  \item Another list item
\end{enumerate}

Paragraph of comments on list items 1 and 2.

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\begin{enumerate}[resume]
  \item Further item
  \item Final item
\end{enumerate}

\end{document}

https://stackoverflow.com/questions/1348194/how-to-interrupt-resume-a-list-in-latex

The TeX FAQ lists several ways of doing this. Read here for full details.

https://www.texfaq.org/FAQ-interruptlist

I’ve successfully used the mdwlist package (which is part of mdwtools) in my own documents. For example:

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\documentclass{article}
\usepackage{mdwlist}

\begin{document}

\begin{enumerate}
\item List item
\item Another list item
\suspend{enumerate}

Paragraph of comments on list items 1 and 2.

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\resume{enumerate}
\item Further item
\item Final item
\end{enumerate}

\end{document}