Cách sử dụng
The word 'changer' means to change or exchange something for something else. It can be used in many different contexts such as changing clothes, exchanging money, or even changing your mind about something. If someone says "I need a changer for this dollar bill", they are asking for someone to give them coins or smaller bills in exchange for the dollar bill. If someone says "This new technology is a game changer", they mean that this new technology will drastically change the way things are done.