丁-7 订

订 订是形声字。言为形符；丁为声符。《说文》注：“平议也。从言，丁声。”订本义为评议、评定。后订用作评字，订则用指改正、确定。引申装订、订购、订货等。 订 [訂] (动) ① conclude; draw up ② subscribe to; book; order ③ make corrections; revise ④ staple together