例句與造句

1. Professor David Audretsch believes Dr . Zhang's research shows that " the elderly are the stealth entrepreneurs making a crucial contribution to jobs, growth and competitiveness " ( Audretsch, 2008 ).
2. Participating in a new business creation is a common activity among U . S . workers over the course of their careers . " And in recent years, business creation has been documented by scholars such as David Audretsch to be a major driver of economic growth in both the United States and Western Europe.
3. It's difficult to find david audretsch in a sentence. 用david audretsch造句挺難的