形容词
中文翻译：Unknown
同义词：
['efficacious', 'efficient', 'fruitful', 'productive', 'successful']
例句：
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1. The new policy is expected to be effective in reducing pollution.
预计新政策能有效减少污染。
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2. The manager's leadership style is highly effective in managing the team.
经理的领导风格在管理团队方面非常有效。
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3.The new software is expected to be effective in improving efficiency.
预计新软件能提高效率。