proprietary

• 指属于所有者或财产的；形容由特定公司或个人拥有并控制的产品、技术或权利。

Relating to an owner or ownership; describing a product, technology, or right that is owned and controlled by a particular company or individual.

1. Protected by exclusive rightsB2formal

   Made or produced by a company that has exclusive legal rights, such as a trademark, patent, or copyright.

   专有的

   • The company uses proprietary software that cannot be copied.
   • This is a proprietary formula protected by patent.
   • They developed a proprietary technology for data encryption.

   同义词brandedcopyrightedexclusivepatentedprivateprotectedrestrictedtrademarked

   反义词freeopenpublicsharedunrestricted

2. Privately owned or controlledB2formal

   Relating to an owner or ownership; owned by a private individual or corporation.

   专有的

   • The proprietary rights belong to the inventor.
   • He has a proprietary interest in the business.
   • The land is proprietary and not open to the public.

   同义词exclusivenonpublicownedprivate

   反义词commoncommunalopenpublicshared

• 作名词时，指所有者、业主，即拥有某物的人，尤指拥有企业、财产或知识产权的人；也指独资企业，即由一人拥有并承担无限责任、享有全部利润的企业。

A noun referring to a business that is owned by a single person, who is personally responsible for its debts and entitled to all its profits.

1. Sole ownership businessB2formal

   A business structure where a single individual owns and operates the company, bearing all legal and financial responsibility while receiving all profits.

   独资经营

   • He registered his bakery as a proprietary to keep full control.
   • The consultant operates as a proprietary, not a corporation.
   • As a proprietary, she is personally liable for all debts.