Security administration
[计] 安全管理
🧩 词语组成解析
🗣️ 情景例句
It's none of my business, but I think you ought to work harder.
这不关我的事，但我想你应该更加努力地工作。
Don't be a copycat!
别有样学样。
To see is to believe.
百闻不如一见。