释义：仔细观察时局的变化，顺应形势的发展并加以引导。这句话强调要善于把握时机，灵活应对变化。

The shale revolution has transformed the U.S. into a global energy leader.

再说,义就是匡正的意思,不能以下正上,必须是以上正下。

Generations to come will scarcely believe that such a one as this walked the earth in flesh and blood.

The quality of an organization's courage determines the quality of its innovation.

You are not defined by your past, you are prepared by your past.

The only way to do great work is to love what you do.

一无所有只能换来一无所有。