be effective
US /bi əˈfɛktɪv/
UK /bi əˈfɛktɪv/
短语
有效, 奏效
to produce a desired result or have a strong impact
示例:
•
For the treatment to be effective, you must follow the doctor's instructions carefully.
为了使治疗有效，您必须仔细遵循医生的指示。
•
The new marketing strategy proved to be effective in increasing sales.
新的营销策略被证明在增加销售方面有效。