 |
| |||
| 边际效用递减规律; 边际效用递减律 | |||
| 边际效用递减法则 | |||
| 边际效用缩减律; 边际效用递减规律 | |||
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Add | The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Report an error
| Get short URL | Language Selection Tips