Retention policy
[经] 自留责任保险
🧩 词语组成解析
retention
[ri'tenʃən]
n. 保留;记忆力，保持力;滞留，扣留;闭尿;
🗣️ 情景例句
He was very hard driven.
他被迫拼命干活。
Choose an author as you choose a friend.
选书如择友。
About a month.
大概一个月。