Corn-based ethanol produces only slightly more energy than it takes to produce it.

VOA: standard.2009.09.02

Because a few of those, it only takes a few of those to become something important to really make the company.

总会有一些失误存在，需要不断的探索才能,真正的创业，这很重要。

斯坦福公开课 - 微软CEO-Steve.Ballmer谈科技的未来课程节选

Because it takes three units where there's only four choices at each position to have at least 20 unique combinations.

因为每个位点上仅有四种可能性,只有采用三个碱基一组,才能取得至少二十种不同的组合方式

耶鲁公开课 - 生物医学工程探索课程节选

Politics only takes place within the context of the particular. It is only possible within the structure of the regime itself.

政治仅发生在,特别的脉络之内，而且仅可能,发生在政体本身的架构中。

耶鲁公开课 - 政治哲学导论课程节选

Now in this case, it's clear that I'm not only saying this function takes an input, I also have to give that input a name.

在这种情况，很清楚的,我不只是说明这个函数有一个输入，我还要给那个输入一个名字。

哈佛公开课 - 计算机科学课程节选

Remember last time, I said that there's different kinds of complexity in our code, and I suggested for simple branching programs, the amount of time it takes to run that program is, in essence, bounded by the number of instructions, because you only execute each instruction at most once.

但是这里有个很重要的点,记得上节课，我提过在我们的代码中，有不同种类的复杂度，而且我还说了对于简单的分支程序,运行这种程序需要的总体时间,大体上，是和指令的数目相关的,因为每个指令只会被执行最多一次。

麻省理工公开课 - 计算机科学及编程导论课程节选

So in other words, every time I merge the point that I kept emphasizing verbally there and that I'm only touching each number once, means that we have to account for the amount of time it takes to merge N which is going to be just N. Now, this is again one of these cyclical answers.

换言之，之前在做合并时,我不停地强调,对每个数字我只碰了一次，这就是说,我们要记录合并所花的时间量,也就是这里的,这又是一种循环性的答案。

哈佛公开课 - 计算机科学课程节选