Radio buttons are well suited to a teaching role, which means that they can be justified in infrequently used dialog boxes, but drop-down list boxes are often a better choice on the surface of a sovereign application which must cater to daily users.

• 单选按钮很适合担当教学的角色，这也意味着它们可以合理地用于不常使用的对话框。 而在独占姿态应用的界面中，因为它必须迎合日常用户的需要，所以下拉列表则更好。