Memory researchers have long debated whether there are two or three layers and what the capacity and function of each layer is.

一直以来，人类记忆有两层还是三层，以及每层的容量和功能，都是记忆研究者们争论的话题。

youdao

Two or three people can easily keep track of who is doing what and for what purpose, and they know who to talk to about the different design issues that might arise.

两个或者三个人一起工作就可以很容易地知道谁在做什么，有什么目的，他们知道向谁谈论关于可能产生的不同想法的问题。

youdao

And so what I'm going to do is just now run through the next two or three scenes and talk about why they're set next to each other.

因而我现在只是讲一下，接下来的两三个场景，并谈谈他们被放在一起的原因。

youdao

And so what I'm going to do is just now run through the next two or three scenes and talk about why they're set next to each other.

因而我现在只是讲一下,接下来的两三个场景,并谈谈他们被放在一起的原因。

耶鲁公开课 - 1945年后的美国小说课程节选

What do you have and how is it different ? if you have a different two out of three?

这种关系和爱有什么不同,如果具备其中的某两个要素？

耶鲁公开课 - 心理学导论课程节选

What does that look like? Here is one, here is two and here is three.

这看起来像个什么，一个，两个，三个。

麻省理工公开课 - 固态化学导论课程节选

Every domestic arrangement that works reasonably well is stretched out over a web of understandings about who does what, and for 24 years -- three houses, that is, and two children and two extended families and a long, noisy, generally good-natured parade of teenagers and exchange students and visiting nephews and whole soccer teams clumping in and out -- I have been the one who cooks.

CNN: Husband quietly captures the kitchen

And this is what we did for the first two or three years after the independence of Zimbabwe.

BBC: News Online

What this Bill will do is make people think two or three times before committing to a pet, and it will also allow the authorities and charities like the RSPCA intervene if the animal is suffering in any way.

BBC: Should pets get a bill of rights?