学习环境的设计以问题设计为核心，内容还包括学习目标的设计、学习资源的设计、问题解决工具的设计与支架指导策略等的设计。

The core of Design of Learning Environment is design of problem, including the design of learning objective, learning resource, tools for resolving problem, coach strategy, scaffold strategy.

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我曾错误得认为一个工具可以尽早将问题解决，结果却遭到了惨痛的失败。

I made the mistake of thinking that a tool will save us early on, and we failed miserably.

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我们描述摆在我们面前的具体问题解决方案的方式，以及我们表达此解决方案的工具，往往并不完全一致。

The way we want to describe a solution to a particular problem in front of us, and the tools we have for expressing that solution, often do not align perfectly.

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OK. So, what do I want you to take away from this? This idea of binary search is going to be a really powerful tool. And it has this property again, of chopping things into pieces.

从这里学到些什么？二分查找的思想,是一个非常有用的工具,我重复一遍，把问题拆成几部分来解决,那事实上，这里的增长率是多少？

麻省理工公开课 - 计算机科学及编程导论课程节选

In Week 2 we'll look at things like cryptography and functions and the tools that by which you begin to assemble solutions to problems; in Week 3 we'll introduce what are generally ; known as algorithms and data structures; mechanisms by which you can solve problems more efficiently, effectively.

第2周,我们学习加密技术及其功能,还会学到一些操作工具,通过这些工具的使用来收集解决问题的办法,第3周,我们将介绍;,算法和数据结构,以及可以更有效地解决问题的机制。

哈佛公开课 - 计算机科学课程节选