1. He built his empire through hard work and determination, eventually achieving tycoonship in the business world.
（他通过努力工作和决心建立起了自己的帝国，在商界最终取得了巨头地位。）

2. The tycoonship of the technology industry is constantly changing as new players emerge and old ones fade away.
（科技行业的巨头地位随着新的参与者的出现和老牌企业的衰落而不断变化。）