theory of ordinal utility造句

例句与造句

1. The breakthrough occurred when a theory of ordinal utility was put together by John Hicks and Roy Allen in 1934.
2. These developments were accompanied by the introduction of new tools, such as indifference curves and the theory of ordinal utility.
3. It's difficult to find theory of ordinal utility in a sentence. 用theory of ordinal utility造句挺难的