短語詞組短語per r thousand 千分之per ten thousand 萬分之CPMCost Per One Thousand Impressions 廣告千人成本mortality per 10 thousand vehicles 萬車死亡率Cost -per-thousand 千人成本法;千人成本;有千人成本Cost per Targeted Thousand Impressions 每千次展示成本Cost per one thousand impressions 千人印象成本收費模式CPM -Cost Per One Thousand Impressions 千人成本COST -PER-THOUSAND CPM 每千人成本 返回 per thousand