形容词
中文翻译：有效的
同义词：
['effective', 'efficient', 'productive', 'competent']
例句：
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1. The new software is designed to be more efficient than the old one.
这款新软件的设计目的是比旧版本更高效。
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2. The engineer was efficient in his work and completed the project on time.
这位工程师工作效率高，按时完成了项目。
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3. The company's efficiency has improved significantly since they implemented this new system.
自从公司实施了这套新系统后，效率显著提高。