Cách sử dụng
'Maintain' means to keep something in good condition, or to continue doing something regularly so that it stays the same way. For example, you might maintain your car by getting it serviced regularly, or maintain your health by exercising and eating well. The word can also be used to talk about keeping a relationship or a conversation going. You could say that you maintain a good relationship with your friends by keeping in touch regularly. Overall, 'maintain' is a verb that means to make sure that things stay the way you want them to be.