An app can be as simple as a program that turns a mobile phone into a flashlight to light your way at night.

VOA: special.2011.03.22

This is essentially a reboot of something we put together a few years ago but the thing had grown in size, this particular app.

这从本质上来说是,重新启动前几年我们组装的一个东西,但它的大小已有所增长，尤其是应用程序。

哈佛公开课 - 计算机科学课程节选

You don't need a light switch or a light bulb or an iPhone app to turn something on or off.

你不需要一个电灯开关,或者一个电管,或者打开关闭一个iPhone应用程序。

哈佛公开课 - 计算机科学课程节选

Let me disclaim, too, we're by no means perfect so the Harvard courses APP that a lot of you used on the web to shop for courses, we recently sent out a form to get feedback from everyone because we don't doubt that it was imperfect the first time around, but we're going to iterate and make amends with that.

我不是说，我不是说要完美,你们大部分使用哈佛大学课程APP来在网上选课,我们最近给你们发了一个表单，从你们那里,得到反馈，因为我不怀疑,第一次时它是有瑕疵的,但是我们将反复地道歉。

哈佛公开课 - 计算机科学课程节选