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.
预计新政策将有效提高生活质量。
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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 effective at reducing errors and increasing productivity.
这款软件在减少错误和提高工作效率方面非常有效。