Most modal dialogs offer at least two pushbuttons as terminating commands, OK and Cancel, although the Close box in the upper-right corner is also a terminating command idiom.

• 多数对话框会提供至少两个按钮作为终止命令，即“确定”和“取消”，另外右上角的关闭按钮也是一个终止命令的习惯用法。