边际报酬 marginal return 边际薪酬 marginal salaries便利店 convenience store便携式电脑 portable computer表面文章 lip service; surface formality标准普通话 standard mandarin标本兼治 address both the symptoms and root cause

边际报酬 marginal return
边际薪酬 marginal salaries
便利店 convenience store
便携式电脑 portable computer
表面文章 lip service; surface formality
标准普通话 standard mandarin
标本兼治 address both the symptoms and root cause