theory of increasing returns造句

例句与造句

1. By the mid-1970s, around the time Microsoft first opened its doors in Washington state, economists began to develop the theory of increasing returns.
2. "' William Brian Arthur "'( born 21 July 1946 ) is an economist credited with influencing and describing the modern theory of increasing returns.
3. It's difficult to find theory of increasing returns in a sentence. 用theory of increasing returns造句挺难的