duty system的用法和樣例：
例句
- A uniform and consistent obligatory responsibility system must be established.
必須確立統一協調的義務責任體系。 - It further implements the safe production responsibility system, and enforces rigorous safe production laws and regulations and a related accountability system.
進一步實行安全生產責任體系，加強嚴厲的安全生產法規和相關責任體系。
