SRL for [plain]: The meaning behind the Lei Feng Spirit changes a lot within the system , whereas among the common folk , the meaning of the Lei Feng Spirit has always been relatively [plain] and clear , equivalent to " " helping others out " and " doing good . "
ARG-2: among the common folk | ARG-1: the meaning of the Lei Feng Spirit | ARG-M-TMP: always | ARG-M-EXT: relatively | ARG-M-ADV: equivalent to " " helping others out " and " doing good . "