按需出版

publishing on demand

to press / to push / to leave aside or shelve / to control / to restrain / to keep one's hand on / to check or refer to / according to / in the light of / (of an editor or author) to make a comment

on demand / according to demand

on demand; according to demand

to require / to need / to want / necessity / need

to go out / to come out / to occur / to produce / to go beyond / to rise / to put forth / to happen / (used after a verb to indicate an outward direction or a positive result) / classifier for dramas, plays, operas etc

variant of 出[chu1] (classifier for plays or chapters of classical novels)

to publish

a register / block of printing / edition / version / page