If you feel exposed without a text book, you really have to have a textbook, John actually I'm going to reuse that word, John, at least suggest it, on the course website.

如果你觉得没有教科书就缺乏安全感的话，那你真的需要一个了，其实我应该重新使用这个词儿，至少是建议，你能在课程网站上找到。

麻省理工公开课 - 计算机科学及编程导论课程节选

No, I haven't. For me, personally, I have been very surprised that New York has been so safe.

那倒没有。就我而言，我因纽约城如此安全而感到惊奇。

在上西区 - SpeakingMax英语口语达人

Or this community that doesn't have safe drinking water so regularly children die of diarrhea because they cannot afford to treat their water, they don't have the fuel to boil their water or something.

可能还有这样一个地方，那里没有安全的饮用水,孩子们时常死于痢疾,因为他们拿不出钱对水进行处理，也没有燃料来把水烧开。

普林斯顿公开课 - 人性课程节选

I am convinced--even though I'm sure that the Toyota Motor Company didn't organize it this way— I am convinced that on my automobile when I do not plug in my safety belt that there is a bell ringing "DING, ding, ding, DING, ding, ding."

我相信,尽管我确信,丰田汽车公司不会这样组织,我确信在我车上,当我没有系上安全带的时候,会有响铃,"叮,叮,叮,叮,叮,叮"

耶鲁公开课 - 聆听音乐课程节选

Middle east is emboiled into so many security issues that it's not obvious ... that it's ready to join you know...sort of ... and focused mainly on economic development.

中东历来安全问题,相当棘手,它似乎还没有准备好加入。,或是专注于经济发展。

普林斯顿公开课 - 国际座谈会课程节选

They are unregulated by law; they are unregulated by authority. The state of nature is simply a kind of condition of maximum insecurity, an unregulated market with no common laws or rules to sustain it.

法律，权威使然,自然状态就是,一种最大安全感的状态,是一种没有法律规范维持的,不加管制的市场。

耶鲁公开课 - 政治哲学导论课程节选

The libertarian says it may be a good thing if people wear seatbelts but that should be up to them and the state, the government, has no business coercing them, us, to wear seatbelts by law.

自由主义者说，系安全带也许是件好事,但这应由人们自己作主,政府没有资格,用法律来强迫人们系安全带。

耶鲁公开课 - 公正课程节选

And the person you're with is not wearing their seatbelts.

你车上的朋友并没有系上安全带。

Make sure 课堂 - SpeakingMax英语口语达人