这个家族建立了一个出版帝国。

The family built a publishing ___empire.

麦当劳从一家餐厅发展成为一个全球快餐帝国。

McDonald's grew from a single restaurant into a global fast-food ___empire.

通过精明的投资，他逐渐建立了一个价值数十亿美元的科技帝国。

Through smart investments, he gradually built a tech ___empire worth billions.