/kəˈmɜːrʃəl ˈjuːsɪdʒ/ – Phrase
Definition: tập quán thương mại.
A more thorough explanation: Commercial usage refers to the use of a product, service, or intellectual property for business or profit-making purposes. It typically involves the buying, selling, or trading of goods or services in the marketplace.
Example: The software license agreement prohibits commercial usage of the program without obtaining prior written consent from the copyright holder.