This is the subjective cause of the long-term controversy and divergences in the understanding of the connotations of necessary time for social labor.
这是社会必要劳动时间含义分歧和争论长期无法解决的主观原因。
This is one of the objective reasons for the long existing differences and arguments on the connotation of necessary social labor time.
这是社会必要劳动时间含义问题上的长期存在分歧和争论的一个重要客观原因。
The four quote on 'the social necessary labor-time' of address oneself of Marx and Engls without explain is not taken for grounds of argument.
对引用的马恩的四例论述未加解释说明因而不能作为论据；
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