This phonetic notation is ㄒㄧㄣㄏㄨㄛㄒㄧㄤㄔㄨㄢㄢ1283n hu ? xi ā ng chuá n's explanation of salary. The whole sentence means that wages and fire alternate, which can keep the flame alive. It means that teachers and apprentices constantly teach each other, and later generations also use it to describe the continuous spread of father-son career or mentoring education. It means the same as "the salary is used up". For example, this troupe, handed down from generation to generation for 50 years, is becoming more and more prosperous and enduring today.