Her latest book illustrates the most important leadership skills to have in the knowledge economy.

她的新书阐明了知识经济时代最重要的领导力技能。

The incident illustrates the need for better security measures.

这次事件说明了加强安全措施的必要。

The writer illustrates his point by quotation from a number of sources.

作者旁征博引以阐明自己的观点。

I began this class with a demonstration that illustrates two very important facts about language.

我用一段演示来开始今天的课，这段演示阐述了语言非常重要的两个事实。

He says that he is a fool. He tells this fable of the hawk and the nightingale, which illustrates really the doctrine of might over right.

他说自己是个傻子。他讲了这个关于鹰和夜莺的寓言，真正说明了强权高于公理的道理。

The example of the United States illustrates this point.

美国的例子表明了这一点。