Some situations are called structured problems, which are straightforward, familiar, and easily defined problems.

一些情况被叫做结构良好的问题，就是一目了然的、熟悉的、容易定义的问题。

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At the stage of advanced study, learners need to face a lot of ill-structured problems that often lack systematicness and often don t have certain ans.

在高级学习阶段，学习者需要面对大量结构不良领域的问题，这些问题经常没有确定的规则和答案。

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Traditional design models lack the effective instructional strategy for ill-structured domains instruction, and the students'ability to revolve ill-structured problems is stagnant.

传统教学设计在劣构领域表现出力不从心，学习者劣构问题解决能力停滞不前。

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Scheme And I happen to like Lisp and Scheme, it's a great language when you're trying to deal with problems where you have arbitrarily structured data sets.

而且我很偶然的喜欢上了Lisp和，这些是当你要试图解决你,曾经很武断的设置数据,的地方的问题时很棒的语言。

麻省理工公开课 - 计算机科学及编程导论课程节选

This week, growing problems with other trading strategies in credit derivatives and structured finance also came to a head.

ECONOMIST: Testing times