Quality is not an act, it is a habit.
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。
每一颗水果都讲述着一个故事——关于土地、培育它的双手以及它到达消费者手中的旅程。
Sometimes, I think the reason we hold onto something so tight is because we fear something so great will never happen again.