But I see our biggest threats are the implosion of the whole Middle East, to start with.

我认为我们面临的最大威胁,首先是中东问题。

普林斯顿公开课 - 国际座谈会课程节选

I think the biggest threat is: how does the computing model change?

最大的威胁是：,计算模式如何改变？

斯坦福公开课 - 戴尔CEO-Michael.Dell谈创业和发展课程节选

I alluded to this a little bit in the first class about how humans have evolved to seek out energy because famine was the largest threat is one example of this.

第一节课的时候我提到了,人类是如何演化以便寻找能量,因为饥荒是最大的威胁,这是其中一例

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选