[经] cost-of-service taxation principle
fú wù chéng běn kè shuì yuán zé ㄈㄨˊ ㄨˋ ㄔㄥˊ ㄅㄣˇ ㄎㄜˋ ㄕㄨㄟˋ ㄩㄢˊ ㄗㄜˊ