A.publication
B.waste
C.contribution
D.certainly
E.yield
F.multiply
G.critical
H.passion
I.concerning
J.available
K.liable
L.sustainable
K.responsible
N.including
O.especially

A．everything that is beneficial to people can be said to be innovative
B．even the common people can put forward an innovative suggestion
C．people are easy to accept new things that are helpful to them
D．the ideas from the top sometimes are not as good as those from ordinary people