What they sell is only labor service, and what they earn is only the value of labor power. Therefore, they are difficult to keep a foothold in international competition. 很多产业处于分工的低端,出卖的实际只是劳务、所赚取的仅仅是一些劳动力价值而已,因此在国际竞争中难以立足。
On Self-generated Value of Labor Power 论劳动力商品的自我增殖&兼评人力资本理论