And I had to deal with user actions.
我和处理用户的操作。
True interaction became possible because you could react to user actions.
真实的交互成为了可能，因为你可以对用户的举动做出响应。
They define the actions that user can do with the business component in the application.
控制器定义了应用中用户可以处理的业务组件行为。
Allow the user, not the computer, to initiate and control actions.
允许用户而不是计算机来启动和控制操作。
Allow the user, not the computer, to initiate and control actions.
允许用户而不是计算机来启动和控制操作。
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