The fundamental cause of the development of a thing lies in its internal contradictoriness . 事物发展的根本原因在于其内部矛盾。
2.
If the problem of regional disparity can not be solved satisfactorily , not only it will affect the improvement of the country ' s comprehensive economical power , but also it will cause a series of social contradictorinesses and even lead to the social unrest 横向财政失衡就是地区经济非均衡发展和地区差距的一个具体体现。地区差距如果得不到妥善的解决，不仅会影响到国家综合经济实力的提高，而且还会引发一系列的社会矛盾，以致影响到全国的稳定。
3.
First , the relationship between them had been up and down , but the general tendency was descending . second , the honeymoon time was short , and it always kept states of contradictoriness . third , the struggles sometimes showed relaxed and sometimes showed sharply 一是两方关系有起有落，总的呈下降趋势；二是实质上的蜜月时间短，多数时间处于矛盾对立状态；三是斗争时缓时烈，斗争形式一般为合法斗争，斗争领域一般在政治、经济、思想领域；四是双方关系的破裂表现出不可逆性。
