名词
中文翻译：Unknown
同义词：
['unfamiliarity', 'unfamiliarity', 'unprofessionalism']
例句：
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1. The new software is unsophistication compared to the old one.
与旧软件相比，这款新软件不够熟悉。
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2. She was unsophistication in her field of expertise.
她在专业领域里并不熟悉。
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3. The company's unsophistication in handling customer complaints has been a major issue.
公司在处理客户投诉方面的不熟练是主要问题。