Well, it looks like it took 1 in this case or it involves-- we can put it another way, merging those two lists involved looking at two numbers, 1, 2, and that's it.

在这种情况下看起来只用了1次-,我们可以从另一个角度看，合并这两个列表涉及到了,2个数字，1，2，就是这样。

哈佛公开课 - 计算机科学课程节选

All right. With that by the way of background, let's go on to two -what we might call rhythmic devices here--two rhythmic devices.

以此为背景知识,我们来继续学习,两种节奏类型

耶鲁公开课 - 聆听音乐课程节选

As always with philosophy, there's more complicated versions of dualism where maybe the interaction doesn't work both ways, but let's just limit ourselves to good, old-fashioned, two-way interactionist dualism.

但由于我们在说的是哲学,二元论还持有更为复杂的观点,例如,交互作用对双方都不起作用,但就让我们限制在一个范围内较好,保守的,双向互动二元论观点

耶鲁公开课 - 死亡课程节选

Way back in nineteen-eighty-two, we did a study on this, and then I'm going to show you some similar studies that have been done in subsequent years to show you how much the error is.

回到1982年,我们做了一个这样的实验,你们将看到一些类似的实验,是在随后几年中做的,向你们证明误差有多大

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Another characteristic of these years, which scholars refer to as the Dark Ages, just as they do the years after the fall of the Roman Empire-- dark for two reasons. Dark, in the most obvious way, because we don't have any writing, no record of them.

这也是这段时期的另一个特征,学者们称之为,黑暗时代,他们也是这么称呼,罗马帝国陷落后的那段时期的,称黑暗主要有两个原因,黑暗,最明显的理由,是因为我们没有任何关于他们的史料和记录

耶鲁公开课 - 古希腊历史简介课程节选

So, two-way interaction.

所以这是种双向互动

耶鲁公开课 - 死亡课程节选