information box的用法和样例：
例句
- When a user inadvertently enters a value that the program cannot accept , the program issues an error message box.
当用户无意识地输入一个程序不能接受的值时，程序会发起一个错误信息框。 - A prompt box is often used if you want the user to input a value before entering a page.
信息框用来让用户在进入页面前输入值。
