upper and lower level的用法和樣例：
例句
- The draft defines the tasks of the control organs and the relationship between higher and lower control commissions.
黨章草案規定了黨的監察機關(guān)的任務(wù)和監察委員會(huì )的上下級之間的關(guān)系。 - Historically, deviations have occurred in relations between higher and lower Party organizations.
在我們黨的歷史上，關(guān)于上下級關(guān)系問(wèn)題，是曾經(jīng)出現過(guò)偏向的。
