Change will not happen overnight, but there ought to be dialogue.

VOA: standard.2009.04.19

Then there came to be questions about whether the scenes, the stories in the book, actually did happen to him.

于是问题出现了，书里的那些情节和故事是否真正在他身上发生过。

耶鲁公开课 - 1945年后的美国小说课程节选

There has to be a sense, moving from sentence to sentence, that something is likely to happen next.

必须有一种感觉，从一句话到另一句话，认为接下来会发生什么。

耶鲁公开课 - 文学理论导论课程节选

So wherever you happen to be, when you run out gas, there was a gas station close by.

这样无论你在哪里需要加油时,附近就会有一个加油站

耶鲁公开课 - 博弈论课程节选

But there are two qualities which happen to be equal.

这里有两个质量恰好是相等的

耶鲁公开课 - 基础物理课程节选

Did you know that of people who take positive psychology, 75% of you are officers of club, 35% of you are the highest ranking officers of club, which means that you think there are about 2000 clubs at Harvard, you are in club of three, and you happen to be the president.

你不知不知道选了积极心理学的人中，有75%的人是俱乐部的干部，35%是俱乐部的高层干部，这意味着，你认为哈佛有大约2000个俱乐部，你在一个只有3个人的俱乐部里，又恰好是主席。

哈佛公开课 - 幸福课课程节选