You could obviously add a button to your HTML form, but that's pretty 2001, don't you think?

最明显的办法是在HTML表单中增加一个按钮，但这是2001年的办法，您不这样认为吗？

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To add a button to point back to the main screen of the application, add the code shown in listing 3.

要添加一个按钮来指向应用程序的主屏幕，可以添加清单3中所示的代码。

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In order to simulate drilling down into a page, you add a button to dynamically add pages to the StackContainer.

为了模拟向下钻取到某个页面，需要添加一个按钮来向此StackContainer动态添加页面。

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Carl Howe, vice president of research at Yankee Group, a Boston-based research and advisory firm focusing on mobile technology, says a significant advantage for Apple is that it convinced automakers to add a button for its interface into their vehicles.

FORBES: Apple Wants To Help Drivers With Better Navigation

And then there's me with a Facebook page that deserves to stay in the archives as I stubbornly refuse to add a subscribe button.

CNN: Is Facebook a must-buy for journalism?

Lesson 1: Add a buy button.

FORBES: Inside the Stupidity of Display Ads