n.保持，维持，保留，(液体、热量等的)保持，阻滞，记忆力，记性

Eric had good retention when he was young.
埃里克年轻时记忆力很好。
Our retention of public property is illegal.
我们对公共财产持有的产权是不合法的。
He is intent on tentative retention of potential patents.
他热衷于潜在专利权的暂时保留。
The company's focus on employee retention has led to a decrease in turnover rates.
公司的重点放在员工保留上，导致离职率下降。
Improving customer retention is crucial for the long-term success of any business.
提高客户保留率对任何企业的长期成功至关重要。
She implemented new training programs to enhance staff retention.
她实施了新的培训计划以提高员工保留率。
Our marketing strategy aims at increasing customer retention by offering loyalty rewards.
我们的营销策略旨在通过提供忠诚度奖励来增加客户保留率。
The high employee retention rate at this firm indicates a positive work environment.
这家公司高的人力资源保留率表明了一个积极的工作环境。
Retention ponds are designed to hold rainwater, reducing the risk of flooding.
保留池设计用来储存雨水，减少洪水的风险。
In sports, coaches often focus on player retention to maintain team cohesion.
在体育运动中，教练通常会注重球员的保留以保持团队凝聚力。
The university boasts a high student retention rate, with over 90% of freshmen returning for their sophomore year.
这所大学的学生保留率很高，超过90%的大一新生会在大二时返回学校。
Data retention policies ensure that important information is not accidentally deleted.
数据保留政策确保重要的信息不会被意外删除。
The library's digital archives have a strict retention policy for historical documents.
图书馆的数字档案馆对历史文献有严格的保留政策。