这个部分解释了主菜单栏中的九个菜单。它们是：
文件菜单
编辑菜单
视图菜单
项目菜单
工具菜单
剪辑菜单
时间轴菜单
监视器菜单
设置菜单
小技巧
In order to optimize screen space you can turn off the menu bar in Menu ‣ Settings ‣ Show Menubar or by hitting Ctrl+M. This will add a hamburger menu () to the main toolbar containing the menus.
) to the main toolbar containing the menus.