1. 快速隐藏和显示Dock 使用快捷键 Command + Option + D，Easily hide or show the application icon bar below the desktop。 2. 反转屏幕颜色 使用快捷键 Command + Option + Control + 8，Switch the screen's color for a better nighttime experience or to accommodate visually impaired users。 3. 快速查看和管理运行中的应用程序 按住 Command 键并点击 Tab 键，Ability to quickly scroll through currently running applications。at the same time，Use Command + Q Quickly exit the current application，Use Command + H minimizes...