降本

降本	jiàng běn	to reduce costs
降	jiàng	to drop / to fall / to come down / to descend
降	xiáng	to surrender; to capitulate / to subdue; to conquer; to tame
本	běn	(bound form) root; stem / (bound form) origin; source / (bound form) one's own; this / (bound form) this; the current (year etc) / (bound form) original / (bound form) inherent / originally; initially / capital; principal / classifier for books, periodicals, files etc