Cách sử dụng
The word 'letter' can have many meanings but it is usually used to refer to a written message that is sent from one person to another. For example, when you want to communicate with someone who is far away, you can write a letter to them and send it through the mail. Letters can be used for many purposes such as to share news, express emotions, make a request, or just to keep in touch with someone. Letters are usually written in a formal or informal style depending on the situation and the relationship between the writer and the recipient. So, if you want to communicate with someone in writing, you can use the word 'letter' and follow the correct format and tone for the intended purpose.