n.保留物；保存；保持(力)；記憶力

The retention is withheld only for bonus situation. 滯留金只是為了發(fā)獎(jiǎng)金。

Did you specify a reasonable retention age? 是否指定了合理的保持期?

Plan a retention policy for e-mail messages and log entries. 為電子郵件和日志項(xiàng)計(jì)劃一個(gè)保持策略。

I know that your powers of retention 我清楚你們的記憶力

Visual material aids the retention of information. 直觀材料有助于加強(qiáng)記憶。