Л54
ВНОСИТЬ/ВНЕСТИ СВОЮ ЛЕПТУ во что rather elevoften
humor in
contemp. usage
VPsubj:
human to do one's part in a shared effort
X внёс свою лепту в Y — X did his bit (for Y)
X added (contributed) his mite to YX contributed his (small) share to YX made a (his) contribution to Y(in refer, to participation in a discussion
etc) X put in his two cents worth.