形容词
中文翻译：有效的
同义词：
['practical', 'efficient', 'effective', 'fruitful']
例句：
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1. Thenew policy is expected to be effective in improving the economy.
预计新政策将有效促进经济增长。
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2. The manager's suggestions were 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 very effective at organizing data.
这款软件在整理数据方面非常有效。