U1E33 | security
Security【n.】
1. the state of being protected or safe from harm安全，保护
The government is responsible for the security of its citizens.
政府有责任保障公民的安全。
2. the department of a company or organization that deals with protection保安部门
He works in security at the mall.
他在商场的保安部门工作。
● security guard
a person employed to protect property or people保安人员
3. the feeling of being safe and free from worry安全感
Having a stable job gives her a sense of security.
有一份稳定的工作给了她安全感。
4. a financial asset, such as a stock or bond证券
He invested in various securities to diversify his portfolio.
他投资了多种证券以分散投资组合。
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