[经] deductible business expenses
zhǔn yǔ kòu chú de jīng yíng fèi yòng ㄓㄨㄣˇ ㄩˇ ㄎㄡˋ ㄔㄨˊ ㄉㄜ˙ ㄐㄧㄥ ㄧㄥˊ ㄈㄟˋ ㄩㄥˋ