a business tycoon的用法和样例：
- Taiwan's leading business tycoon, Wang Yung-ching, died of cardiac arrest last week during a business tour in the States.
- He is a business tycoon.
- He put the telephone bill down as a business cost.
- He has no idea of how to run a business.
- Mr Grate just entered on a business career.
- A business must stay in the black to keep on.