A person may cause evil to others not only by his actions but by his inaction, and in either case, he is justly accountable to them for the injury.
学会控制内心体验的人将能够决定他们生活的质量,这是我们任何人都能接近幸福的方式。
价值链是通过其创造并将产品或服务交付给客户的一系列活动。