兴利除弊

to promote what is useful and get rid of what is harmful (idiom)

to rise / to flourish / to become popular / to start / to encourage / to get up / (often used in the negative) to permit or allow (dialect) / maybe (dialect)

feeling or desire to do sth / interest in sth / excitement

sharp / favorable / advantage / benefit / profit / interest / to do good to / to benefit

to get rid of / to remove / to exclude / to eliminate / to wipe out / to divide / except / not including

detriment / fraud / harm / defeat