Cách sử dụng
Proficiency is a word that is used to describe how good someone is at doing something. When it comes to English learners, proficiency is used to talk about how well they can use the English language. If someone has good proficiency in English, it means they can understand and speak the language well. Proficiency is often measured by taking tests or exams, which can help to show how much someone knows about English. It's important to strive for proficiency when learning a language, as it can help in communication and understanding with others who speak English.