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。

Defining scientific terms for political reasons is bad for both sides of the debate. Sam Berger and Jonathan Moreno explain why altering scientific definitions for political ends is bad for both sides ...

When you work in a consulting role, there’s an urge to dive into solutions the moment you’re presented with a problem. After all, that’s what you’re there for, right? Clients come to you with ...

In January, the FBI announced that it is finally updating its ancient definition of rape to conform to a more thorough understanding of sexual assault. While many states have already adapted their ...

A few months ago, a tweet made me laugh out loud: “The first rule of philosophy club is hard to define.” It may seem pedantic, but getting definitions right is actually a big deal. That’s especially ...