Social jet lag refers to the feeling of being very tired when you return to work after a holiday, especially because of changes to your sleeping pattern.

Social jet lag 指休假结束返回工作岗位时的倦怠感，主要是由睡眠模式的变化引起的，称为“假后返工时差”。

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The basic analysis pattern in dialogue group theory is "dialogue group - behavior", this is a kind of burgeoning social changes observation pattern and analysis pattern.

话语群理论中的基本分析模式是“话语群—行为”，这是一种新兴的社会变迁观察模式和分析模式。

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All of this was then multiplied in effect, by the economic and social changes that altered the established pattern of community life in cities, towns and villages throughout Britain and throughout the developed world.

BBC: NEWS | UK | Politics | Full text: Blair on law and order