The best way to guarantee a loss is to quit.
If knowledge can create problems, it is not through ignorance that we can solve them.
Your most unhappy customers are your greatest source of learning.
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。
China's rise will inevitably lead to conflict with the United States.