The more important factor of internal reasons is the Greek debt burden that is formed for years and backward industrial structure.
其内部原因中尤为重要的是希腊多年来的债务负担及落后的产业结构。
The internal departments of industrial structure produce a fluctuant process, the original relations and proportions will become irrational and inharmonious, so it needs adjusting frequently.
受相关因素的影响，产业结构系统内各部门会产生一个此消彼长的过程，原有的关系与比例会变得不合理和不协调，需要经常地调整。
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