扣减

扣减	kòu jiǎn	to deduct
扣	kòu	to fasten / to button / button / buckle / knot / to arrest / to confiscate / to deduct (money) / discount / to knock / to smash, spike or dunk (a ball) / to cover (with a bowl etc) / (fig.) to tag a label on sb / (Tw) (loanword) code
扣	kòu	button
减	jiǎn	to lower / to decrease / to reduce / to subtract / to diminish