How many different postcards - congratulations on your birthday - different ones can you think of, make, draw?
Yes, as many as you know) All people are different and I would like to congratulate each person in accordance with his age, character, position. After all, it is one thing to congratulate the younger brother and another to congratulate the parents. You will also congratulate your school friend and boss at work in different ways. And that means there can be as many congratulations as you have friends ...