\begin{myenv}
\begin{itemize}
\item one
here is some text
here is some text
here is some text
\item two
here is some text
here is some text
here is some text
\end{itemize}
\end{myenv}
\begin{itemize}
\item one
here is some text
here is some text
here is some text
\item two
here is some text
here is some text
here is some text
\end{itemize}