Two decades ago, Clayton Christensen revolutionized business with his theory of disruptive innovation.

20年前，Clayton Christensen提出的颠覆性创新理论为企业带来了革命性变革。

Christensen must be gloating.

克里斯滕森一定得意地笑了。

But Christensen had no complaints.

但克里斯腾森没有抱怨。

Christensen feels strongly that schools must be classroom centric.

克利·斯坦森坚定地认为学校必须以课堂为中心。

"It's exactly the right thing for them to do," Christensen has said.

“这是他们最应该做的事。”克里斯坦森说。

During the past 20 years, Christensen examined, tested and traveled with Peek.

在过去20年中，Christensen一直在为Peek做检查和测试，和他一起周游各地。