我们还没有说明按钮被点击时会做什么，但本着“早发布，常发布”的精神，我们先运行一下看看。

We haven't described what this Button will do when clicked, but in the spirit of "release early, release often", let's give what we've got here a spin and see what emerges.

youdao

这里还有关于所有按钮和开关功能的说明。

There are also instructions about the function of all the buttons and switches.

youdao

现在我已经说明了如何解决鼠标与按钮交互的视觉效果。

So far I've shown you how to handle visual feedback of mouse interaction with the button.

youdao

And then at top right there's this longer sentence to purchase new Charlie ticket, value tickets and passes, press here.

然后，右上边没有说明,怎样购买Charlie票，票值是多少,按这个按钮。

哈佛公开课 - 计算机科学课程节选