The penny press cost so little because businesses paid to advertise in the newspapers.

VOA: special.2009.04.20

Okay, so with your little clicker you can press one, two, three, or four depending on which one of these you believe is the case and let's see if the--if it registers.

拿着表决器的人可以,根据你认为的答案 在一到四中任一项,然后看看它是否注册了

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

so the kind of experiment that we did, let's imagine your mind-magnet you are sitting there, you are looking through little parscope that the screen you can respond with a button press.

我们做的那种试验，让我们想象一下思维磁场,你坐在那里，你在看一个小的示波器的屏幕,你可以以按按钮作为回应。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选