\documentclass[a4paper,12pt]{article}
%twoside yaz iki taraflı için
\usepackage[top=2.5 cm, bottom=2.5 cm, left=4 cm, right=2.5 cm]{geometry}
\usepackage[turkish,shorthands=:!]{babel}
\usepackage[backend=biber,style=numeric, sorting=none]{biblatex}
\usepackage{titlesec}
\titlespacing{\section}{0pt}{8 cm}{40pt}
\usepackage{fontspec}
\setmainfont{Times New Roman}
\begin{document}
\section{hi}
Latex is the best
\subsection{how are you?}
But sometimes it's hard
\end{document}
我可以使用命令轻松地在节标题后给出位置
\titlespacing{\section}{0pt}{8 cm}{40pt}
{40 pt} 用于此目的并且工作良好,但是当部分位于页面开头的顶部 {8 cm} 时什么也不做。