经济学的任务不仅在于解释现象,更在于为社会提供实际的建议和政策。
The task of economics is not only to interpret phenomena, but also to provide practical advice and policies for society.
Business is about solving problems, not just making money.
在一个不精确的世界中,模糊集的概念提供了一种自然的方式来处理那些不精确性源于缺乏明确定义的类别成员标准的问题。