subjective role的用法和樣例：
例句
- The CCP asked to exert the principal role of farmers in her files about New-Country Construction.
摘要中央在有關新農村建設的文件中明確提出要發揮農民的主體作用。 - The principal role Of enterprises should be given full play in the scientific and technological innovation.
要充分發揮企業在科技創新中的主體作用。
