They would put a mark on it so they would know their family's bread and leave it with the baker.

VOA: standard.2010.07.16

In fact, it's a specific person's brain, and what's interesting about the brain is that little white mark there.

实际上这是个特殊人物的大脑,有意思的是,大脑上有个白色的小标记

耶鲁公开课 - 心理学导论课程节选

Here's where I come back to that example that I already gave you with a question mark next to it when I was talking about Saussure.

我这就要再讲一下我已经讲过的例子,就是我们讲索绪尔时讲到的那个存疑的例子。

耶鲁公开课 - 文学理论导论课程节选

So if we want to put that in chemical terms, we want to make sure we put these in brackets here, and remember, this is the resonance arrow, it's not a reaction arrow, it's a resonance arrow, so make sure you mark it up correctly like that.

那么如果我们把它类比到化学中来，我们要确保它们都放在括号里，而且要记住，这是一个表示共振态的箭头，而不是表示化学反应的，它是一个表示共振态的箭头，因此请务必像这样正确地标记它。

麻省理工公开课 - 化学原理课程节选

This question mark I mean it's obviously not a question mark.

这一个问号，显然不是一个真正的问号。

哈佛公开课 - 计算机科学课程节选

And the butterfly does appear in just one moment, and it's during the tennis scene. As Humbert and Lolita play, there is one butterfly that flits between them. It's a mark of their equality as artists in that moment.

那蝴蝶曾经在短短的一瞬出现过，那是,在那个打网球的场景里，当亨伯特和洛丽塔打球的时候，一只,蝴蝶从他们中间飞过，它标志着他们在那个时刻是艺术家。

耶鲁公开课 - 1945年后的美国小说课程节选

I think it's a remarkable dynamic that Mark started this company in 2004 and that first generation the first nine or ten years of the Internet did not have a Facebook-like company that was thinking through it in a simple way.

我认为马克在2004年开办的这个公司的影响巨大,因为互联网初期的那代人用了九、十年,都没能创办一家像脸谱网一样的公司,能用简单的思维考虑问题。

斯坦福公开课 - 扎克伯格谈Facebook创业过程课程节选