名词中文翻译
中文翻译：保留
同义词：
['sustain', 'maintain', 'preserve']
例句：
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1.The company's retention rate has dropped significantly over the past year.
过去一年，该公司的留存率大幅下降。
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2. The government is committed to preserving the natural environment.
政府致力于保护自然环境。
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3. The team's performance was retained by the manager after the game.
比赛后，该队的表现被经理保留了。