形容词
中文翻译：有效的
同义词：
['efficacious', 'efficient', 'productive', 'successful']
例句：
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1. The new policy is expected to be effective in reducing the crime rate.
新政策预计将有效降低犯罪率。
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2. The manager's leadership style is highly effective in inspiring teamwork.
经理的领导风格在激发团队合作方面非常有效。
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3. The new software is expected to be effective in streamlining the production process.
预计这款软件将有效简化生产流程。