個人自願安排；自願償債安排；自願債務協議
例句
1.
Russia's agriculture ministry said the food pricing arrangement was voluntary.
俄羅斯農業部表示，食品價格安排是自願的。
2.
The conclusion is that the goal of public goods being provided by voluntarycontribution can be achieved by system design and arrangement.
這些結論說明通過合理的制度設計和安排可以達到部分公***品由私人自願提供的目的。