/ˌspeʃəlaɪˈzeɪʃən/ – noun
Definition: Chuyên ngành hoặc chuyên môn.
A more thorough explanation: 1. in business, focusing on a limited range of products in order to increase overall efficiency
2. to focus on a particular area of study or work
Example: 1. Our thinking about specialization must shift away from industries and towards varieties within industries.
2. The Board of Legal Specialization was established in 1993 to assist consumers in finding a lawyer who has demonstrated ability and experience in specialized fields of law.