[经] explicit costs, explicitly costs

zhí jiē yǐ huò bì zhī fù de chéng běn ㄓˊ ㄐㄧㄝ ㄧˇ ㄏㄨㄛˋ ㄅㄧˋ ㄓ ㄈㄨˋ ㄉㄜ˙ ㄔㄥˊ ㄅㄣˇ