我正在使用 overleaf 处理 Arial 12 号字体和 1.5 倍行距的文档。经过多次尝试，我终于能够编译文档，但不知何故，正文显示为斜体 Arial，而不是普通 Arial。我已在 tex 目录中安装了所有必要的 Arial 字体 (.ttf) 文件，但无法解决此问题。如能得到任何帮助，我将不胜感激。
\documentclass[letterpaper,12pt]{article}
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\usepackage[english]{babel}
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\usepackage{amsmath}
\usepackage{csquotes}% Recommended
\usepackage[style=authoryear-ibid,backend=biber]{biblatex}
\usepackage{graphicx}
\usepackage{biblatex} %Imports biblatex package
\addbibresource{Warwick.bib} %Import the bibliography file
%%%%Arial font begins %%%%%%%
\usepackage{fontspec}
% Arial
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%%%%%%%%%Arial font ends %%%%%%%
\title{Data Driven Discovery of Deservedness In VC Industry- A Startup-O Perspective}
\author{XYZ}
\begin{document}
\maketitle
\tableofcontents
\section{Introduction}
At one of the live radio shows, as the radio jockey congratulated the founder-CEO of the organisation, he expressed his gratitude.....
Is this the best method ? That remains a matter of discussion and `time'.
\printbibliography %Prints bibliography
\end{document}
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