The causes are three regions' low urbanization level, the slow internal structure upgrade in tertiary industry, the existence of system restriction;

导致这些问题出现的原因是各地城市化水平低、第三产业内部结构升级缓慢、存在制度约束；

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The causes are three regions' low urbanization level, the slow internal structure upgrade in tertiary industry, the existence of system restriction;

导致这些问题出现的原因是各地城市化水平低、第三产业内部结构升级缓慢、存在制度约束；

youdao