The common thinking in Chinas criminal theory scope that the essential characteristics of a crime is the social hazard of the action is facing much challenge.

犯罪的本质特征是行为的社会危害性，这是我国刑法理论界的通说，但是这一通说面临着不少挑战。

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The theory was made up of such basic concepts as action system, action structure, action privilege and social optimum.

科尔曼的理性选择理论是由包括行动系统、行动结构、行动权利以及社会最优等四组基本概念构成的。

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As an important means of modern administration, administrative affirmation, being significance in administrative action theory and practice, can prevent and refrain from social conflicts.

行政确认作为现代行政管理的一种重要手段，具有预防和制止纠纷的功能，在行政行为理论和实践中均占据着重要地位。

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This could work for those in the early stages of the disease, but eventually there comes a point where people with Alzheimer's no longer recognize their lives as their own, said Barry Schwartz, professor of social action and social theory at Swarthmore College in Swarthmore, Pennsylvania.

CNN: Do digital diaries mess up your brain?