Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient ...

Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient ...

Great has been the controversy in the past, over the vexed ( 令人烦恼的 ) subject of fate versus free-will. On the one hand, ...

研究组基于190个学术机构的314项政策和58个政府机构的218项政策（涵盖北半球32个国家和南半球89个国家），对学术职业发展的研究评估进行了展望，特别关注晋升为正教授的政策。他们调查了各种晋升标准被提及的频率，并进行了统计分析，以推断各种政策的共 ...

但在公开解释这一利润增长时，亚马逊并未披露全部情况。这种信息的模糊处理使得这样一个问题悬而未决：亚马逊通过一项颇具争议的商业手段——提高数百万独立卖家的费用（这些卖家对于丰富其购物平台的线上货架至关重要）——究竟赚取了多少利润。