confidentiality
n. 保密性，机密性
例句
They signed a confidentiality agreement.
他们签署了一份保守机密的协议。
《牛津词典》
These files are locked to protect confidentiality.
为了保密，这些文件都加了锁。
All pharmacists are bound by the society's rules of confidentiality.
所有药剂师都受到保密性这一社会规则的约束。
《柯林斯英汉双解大词典》
