Digital electronics technology is a complex logical course, it is rather difficult to understand and abstract.

《数字电子技术》是逻辑性很强的一门课程，内容抽象难懂。

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It is rather difficult for undergraduates of Educational Technology to understand the theory of Educational Technology theory because they have little teaching experience.

教育技术专业的本科生，由于没有实际的教学体验，使其对相关理论的理解存在较大的困难。

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But we have to make an effort in the United States, we have to make an effort to understand, to get beyond, or go beyond these rather difficult times.

但在美国，我们必须努力。我们必须努力理解，去获得超越，或超越这些相当艰难的时刻。

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Third, the industry does not generally offer value-for-money products, but rather an array of proliferating instruments that are difficult to compare and understand.

ECONOMIST: Saving

This is not to spy on people, but rather to help companies understand the state of their workforce and make some vitally important (and difficult) business decisions.

FORBES: How BigData Tools Helps HR Understand You