With far less controversy, colleges could send messages about canceled classes, delayed buses, campus crises or just the cafeteria menu.

大学可以发送取消课程、公交车延误、校园危机或仅仅餐厅菜单的信息，而免受太多争议。

youdao

People who cannot talk but can move their eyes have, for some time, been able to compose messages by looking at a menu of letters and common words.

一段时间以来，不能说话的人可以转动他们的眼睛，看着字母或常用词语的菜单来写信息。

youdao

These messages, called events, are interpreted by the program, and allow the program to respond to the user selecting a menu item, clicking on a button, and so on.

这些消息(称为事件)由程序进行解释，并允许程序对用户选择菜单项、单击按钮等操作作出反应。

youdao