not exercise effective的用法和樣例：
例句
- Those failing to exercise effective control and supervision shall also undertake liability arising therefrom.
管理和監督不力的也應承坦連帶責任。 - The culprit is not Henry Tang or any other political appointee, though those officials may have been guilty of ineffective supervision of Rowse.
唐英年等政治任命官員有督導不力的過失，但不是罪魁禍首。
