In a large multi-user computer system with many terminals,the OS is very complex. 在带有许多终端的大型多用户计算机系统中，操作系统非常复杂。
The browser on the user's computer translates the coordinates of a click of the mouse on the image into some action, including loading and displaying another document. 用户计算机上的浏览器将把鼠标在图像上单击时的坐标转换成特定的行为，包括加载和显示另外一个文档。
