Two important notions orbit around the simple idea of constructed knowledge. The first is that learners construct new understandings using what they already know.

有两种观点紧紧围绕知识建构，第一个是学习者使用已知的知识建构对新事物的理解。

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The simple idea of distributing information has so many layers of complexity that the whole problem can seem hopelessly enigmatic.

分发数据这个简单的思想竟然会引出这么些复杂层次，而所有这些问题看起来都像是根本不可能解开的谜。

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The idea was simple. But making it happen was not a simple job.

VOA: special.2009.06.17

We won't talk about the BCS rankings, though So the idea here is a pretty simple one.

我们并不是在说英国计算机协会排名,所以我们要讲的概念很简单。

麻省理工公开课 - 计算机科学及编程导论课程节选

And the idea behind recursion I'm going to describe with a simple example. And then I'm going to show you how we can actually use it.

但是为了解释递归的意义,我想举个简单的例子,我将会给你们展示我们该如何使用它。

麻省理工公开课 - 计算机科学及编程导论课程节选

ShelterBox was started in 2000 by Tom Henderson who had the simple idea of placing all the items a homeless family of 10 could need in one big plastic box.

BBC: ShelterBox: 'Order' led to Tom Henderson sacking

They also like the simple idea behind it.

NPR: In Michigan, GOP Governor Finds A Tax To Like

As a product of history and faith, Jewish Americans have helped to open our eyes to injustice, to people in need, and to the simple idea that we ought to recognize ourselves in the struggles of our fellow men and women.

WHITEHOUSE: Marking Jewish American Heritage Month