[经] stockholder's purchasing power standard

gǔ dōng gòu mǎi lì biāo zhǔn ㄍㄨˇ ㄉㄨㄥ ㄍㄡˋ ㄇㄞˇ ㄌㄧˋ ㄅㄧㄠ ㄓㄨㄣˇ