() [] the ability of a company to keep its employees; the fact of this happening留住，留用（员工）◆Call centres are looking at ways to improve recruitment and retention.呼叫中心正在研究改进招聘和留住人才的方法。◆Employee retention has improved dramatically.员工续聘有了显著好转。 [] the fact of keeping sb or sth保留；保持；维持◆The company was instructed to improve its document retention policy.这家公司已经被责令改进其文件保管政策。 () retentions [] part of the money that is owed to sb for work they have done that is not paid until the work is completed in a satisfactory way保留款（保留至工作圆满完成才予支付的那部分款项）