[经] economic cost-benefit analysis
chéng běn yǔ xiào yì jīng jì fēn xī ㄔㄥˊ ㄅㄣˇ ㄩˇ ㄒㄧㄠˋ ㄧˋ ㄐㄧㄥ ㄐㄧˋ ㄈㄣ ㄒㄧ