清单4显示了第一个选项卡的内容。

Listing 4 shows the content for the first TAB.

youdao

不过，现在必须找到一种方法来离开第一个选项卡并前进到第二个及后续的选项卡。

Now, though, you must create a way to get off of your first tab altogether and advance to the second and subsequent tabs.

youdao

连接好其他选项卡的行为后，需要告诉第一个选项卡中的内容要做些什么。

Now that you've wired the behavior of the other tabs, you need to tell the content in the first tab what to do.

youdao