读一下讲稿，并制作笔记卡以帮助你记住内容。

Read the script, and make a note card that can help you remember the content.

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浏览器检索第二个选项卡的内容然后将它显示在选项卡区域，如图3所示。

The browser retrieves the second TAB's contents and shows it in the TAB area, as shown in Figure 3.

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至此，我们已为选项卡内容创建并样式化了div包装器，下面需要创建选项卡本身了。

Now that you've created and styled the div wrappers for your tabbed content, you need to create the tabs themselves.

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The class just seemed to be a platform for Kagan to throw out random ideas " and the students were never required to engage in any thought."

它看起来就像一场演出,演出内容就是卡刚抛出随机的观点,而学生们从没被要求参与其中“

耶鲁公开课 - 死亡课程节选