value denotes the degree of importance of something or action, with the aim of determining which actions are best to do or what way is best to live (normative ethics in ethics), or to describe the significance of different actions.
价值是人赋予的，人是有限的存在，必须根据自己的偏好对想做的事进行优先级排序，若觉得所有的都重要也就意味着没有一件重要，必须有所取舍。