Whether the commodity value is decided by two kinds of socially necessary laber-time has always been a mystery which baffles the academic circles.
商品价值量的大小是不是由两种社会必要劳动时间来决定，始终象一个谜团一样，困扰着学术界。
Whether the commodity value is decided by two kinds of socially necessary laber-time has always been a mystery which baffles the academic circles.
商品价值量的大小是不是由两种社会必要劳动时间来决定，始终象一个谜团一样，困扰着学术界。
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