Just a quick check and this is not for the camera, how many of you have seen Bertrand competition before?

我们迅速了解一下,这不是为了录影,你们谁之前学过伯川德竞争

耶鲁公开课 - 博弈论课程节选

You have to be comfy on camera but this is your first chance to say hello to mom and dad on camera.

在镜头前表现得自然点儿,因为这是你第一次在电视上跟爸妈打招呼。

哈佛公开课 - 计算机科学课程节选

I should tell you first of all that in this class, the taping is not going to affect you because the camera is going to be behind your head.

我想跟你们强调的是,录像将不会影响你们,因为摄像机在你身后

耶鲁公开课 - 基础物理课程节选

I'm giving it to Jude. You can't see this on camera--people at home-- but I'm giving it to Jude okay. I'm going to put it here, and Jude has to show up next week with the prize.

我给裘德了,看视频的你们看不到裘德,但我把钱给裘德了,我放到这里了,裘德下周会带着奖金来的

耶鲁公开课 - 博弈论课程节选