美国过生日的习俗 用英语写

With each birthday,Americans not only celebrate growth but also the passing of another year.Thus, candles are symbols of both life and death,as well as both hope and fear.When a person makes a wish over these symbols, he or she invokes powers for good fortune. And when that person snuffs out these symbols, he or she expresses the hope to have a degree of control over whatever lies in store for him or her.