The activities are said to include drug use,sexual behavior and violence.

VOA: special.2009.02.03

Obviously with this sort of partitioning of behavior, and activities, and effort, there's not a lot of time leftover for leisure, for development of new technologies and things like this.

显然,采用这样一种,行为,活动及精力的分配方式,自然不会剩下很多时间,用来娱乐,发展技术和改革创新

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Obviously with this sort of partitioning of behavior, and activities, and effort, there's not a lot of time leftover for leisure, for development of new technologies and things like this.

显然,采用这样一种,行为,活动及精力的分配方式,自然不会剩下很多时间,用来娱乐,发展技术和改革创新

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选