Studies show a link between time on a computer or in front of a TV and obesity.

VOA: standard.2010.07.02

And now in the past couple of weeks, I've been working on a small experiment, which is intended to show how we can be replaced by a computer.

在前几周内，我一直在做一个,小实验，打算,说明我们怎么样才能被计算机代替。

哈佛公开课 - 计算机科学课程节选

What the clicker is is a little device that will allow you to enter responses to questions that will then get entered into my computer and we can show immediate poll results from the class.

表决器是一种小型设备,你可以通过它回答问题,这些答案会传进我的电脑,我们就可以迅速地得到投票结果

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选