effective operation的用法和樣例：
例句
- This is most effective if a specific receptor blocking agent is available to counter the effects of a given agonist.
在這方面最有效的是利用特效的受體阻滯葯對抗特定激劑的作用。 - It is very important for its long or short term effect to adopt a right and effective nursing method.
掌握正確有效的術后護理方法，對手術近期和遠期療效都有非常重要的作用。
