Cách sử dụng
A consultant is a person who gives advice or expertise to people or companies on a particular subject. People usually hire consultants when they need help with something specific, such as a business strategy, marketing plan, or legal issue. Consultants are often experts in their field and work independently or on a contract basis. They can work in various industries such as management, finance, health, and technology. The term consultant is commonly used in the business world but can also apply to other areas where expert advice is needed.