高考阅卷执行“关键步骤赋分”规则，对于函数性质类问题，关键步骤（如定义转化、性质应用）占60%分值，因此准确把握内涵对得分至关重要。通过准确把握概念的内涵与外延，考生能够将陌生问题转化为熟悉领域，提高解题效率和高考成绩。

If you don't know what you are trying to solve, you hardly stand a chance at solving it. And good design for user interface (UI) and user experience (UX) is about solving the most pertinent problems ...

The ability to solve complex problems effectively has become a defining factor for success. Yet, despite the abundance of tools and methodologies available, I've noticed organizations often struggle ...

For more than 20 years — and after working with more than 10,000 participants who attended my Kaizen workshops — I’ve refined a simple yet powerful tool that makes problem-solving useful for everyone.