assignment rule造句

例句与造句

1. This is robert mundell's assignment rule .
   这就是罗伯特蒙代尔的分配原则。
2. This is robert mundell ' s assignment rule
   这就是罗伯特?蒙代尔的分配原则。
3. It's difficult to find assignment rule in a sentence. 用assignment rule造句挺难的