对互联网的兴趣跨越所有年龄组。

Interest in the Internet ___cuts ___across all age groups.

电视拥有广泛的受众，跨越社会的各个阶层。

TV has a wide audience, ___cutting ___across all sections of society.

医疗改革的问题跨越政党界限。

The issue of healthcare reform ___cuts ___across political party lines.