With the help of your notes of video 2, complete the information by putting appropriate words in each gap.Write down your answers in numeric sequence.

A. 工资的本质是劳动力价值或价格，而不是劳动的价值或价格
B. 计件工资有利于降低工资成本，刺激工人提高劳动生产率
C. 名义工资与实际工资成正比，名义工资越高实际工资越高
D. 相同劳动力在不同国家的劳动力价值会存在巨大差异