正常成本

normal cost (accountancy)

first month of the lunar year

straight / upright / proper / main / principal / to correct / to rectify / exactly / just (at that time) / right (in that place) / (math.) positive

regular / normal / ordinary

surname Chang

always / ever / often / frequently / common / general / constant

surname Cheng

to succeed / to finish / to complete / to accomplish / to become / to turn into / to be all right / OK! / one tenth

(manufacturing, production etc) costs

root / stem / origin / source / this / the current / original / inherent / originally / classifier for books, periodicals, files etc