保全英文造句練習Many commercial buildings have security system.
The security industry is very hard work.
Our community decided to replace the security company.
The security company must really protect the rights and interests of consumers.
Mike is a security officer.
Where is the building's security staff?
Our company's security staff is very familiar with the general staff.
General family will choose the security company\'s services?
Two security officers lying on the roadside.
Security companies also need to innovation.