This paper also discuss the reason of this gap. All above, there are two reasons including objective and subjective aspect.
本文还分析了造成以上差距的原因，总的来说，有客观和主观两个方面的原因。
There are both subjective and objective reason to result in such problems.
造成这一问题的原因有主观方面的，也有客观方面的。
There are profound objective reason and subjective reason in appearance of this kind of phenomenon.
这种现象的出现有着深刻的客观原因和主观原因。
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