Accor ding to Office Party of mass line education pra ctice activities le d group of unifie d arrangement s, units main l ed to for cadre s workers S hang a time s party le cture, due t o himself level limited, only put thi s stage concentrated l earni ng of experi ence today and everyone common wit h lear ning exchange, pur pose is let we further dee p understa ndi ng mass li ne of connotati on,