辛迪：我们点击进去看看。

Cindy: Let's click to check it out.

youdao

找到想要启动程序的卡片，只要点击进去一下，这个程序就能充满这个屏幕。

When you find the Card of the app you want to launch, you just tap into it and the app fills the whole screen.

youdao

你只要点击进去Facebook 中的World Nomads页面，就可以看到其粉丝数达到了378000，这是非常不可思议的。

A person only needs to check out the World Nomads Facebook page to see the level of engagement going on here with their 37800 fans, it’s incredible.

youdao

I'm reminded of the confirmation screen here and that's not too bad, then we put in the card and we click confirm and then finally we see the swap Then finally literally nine steps later the ticket comes out of the machine and then, frankly, had to go through the process of where to put the ticket in the machines.

这里出现了确认画面,那还不是太坏，然后我们把卡插进去,点击确认，然后我们看到了那个,函数。，swap，function。,【笑声】然后最终经过9个步骤,票从机器中出来了，然后，需要找出从哪里,把票放到机器中去。

哈佛公开课 - 计算机科学课程节选