形容词
中文翻译：有效的
同义词：
['practical', 'efficient', 'productive']
例句：
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1. The newpolicy is expected to be effective in improving the quality of life for citizens.
新政策预计将有效提高市民生活质量。
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2. The manager's suggestion was very effective in solving the problem.
经理的建议非常有效地解决了这个问题。
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3.The new software is expected to be effective in reducing costs and increasing efficiency.
新软件预计将有效降低成本并提高效率。