What would people like to eat on their birthday? Well, the answer would be different in different countries.
In many countries, people have birthday cakes with candles, and the number of candles is just the birthday person's a. If he or she bout all the candles in one go (一口气), his or her birthday wish will come true. In the UK, people sometimes put a candy in a birthday cake. The person, who eats the candy, can get a lucky present.
In China, it is getting popular to have a cake on one's birthday, b many people still enjoy eating noodles for their birthday, and they n cut up the birthday noodles because the long noodles are a symbol (标志) of a long life. In some places, Chinese people also eat eggs on their birthday. They are also a symbol of good luck.
All of these birthday foods may be different, but the ideas are always the s. They bring good luck to the birthday person.