形容词
中文翻译：有效的
同义词：
['efficient', 'effective', 'efficient', 'efficacious']
例句：
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1. The new software is very effective at solving complex problems.
这款新软件在解决复杂问题方面非常有效。
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2. The manager's suggestions were very effective in improving the team's productivity.
经理的建议在提高团队生产力方面非常有效。
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3. The new policy will be effective in reducing traffic congestion.
新的政策将有效减少交通拥堵。