# retention ##### 词义 - 英：/rɪˈtenʃn/； 美：/rɪˈtenʃn/ - #词性/n 保留；保持；(液体、热量等的)保持，阻滞；维持；记忆力；记性 ##### 例句 - His retention of energy at this hour is really surprising . - 人们惊叹他在这个时候还能保持如此旺盛的精力。 - Research on Commercial Bank 's Customer Identifying and Customer Retention Models - 商业银行客户识别与保持模型研究 - The company needs to improve its training and retention of staff . - 公司需要改进对员工的培训和留用工作。