名词
中文翻译：保留
同义词：
['hold', 'maintain', "preserve例句：1. The company's retention rate is declining dueto the competition.（由于竞争，公司的留存率正在下降。）2. Thedata was retained for futureanalysis.（这些数据被保留以供未来分析。）3. The teacher asked thestudents to retain the lesson points during thebreak.（老师要求学生们在休息时记住要点。）"]
例句：
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1. The company's retention rate is declining dueto the competition.
由于竞争，公司的留存率正在下降。
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2. Thedata was retained for futureanalysis.
这些数据被保留以供未来分析。
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3. The teacher asked thestudents to retain the lesson points during thebreak.
老师要求学生们在休息时记住要点。