developmental immaturity meaning in English

发育不成熟

The traditional concept is that most cases are due to a developmental immaturity of voiding control
过往人们一直认为尿床是由于儿童发育未成熟，而不能控制排尿所致。
Extensive research in the division also showed that a large proportion of the enuretic children had significant underlying bladder dysfunction and sleep disturbances . this important recognition directly challenges the long - established concept of perceiving pne as due to a developmental immaturity of voiding control , and casts doubts on the traditional wisdom of expectant treatment
中文大学的研究亦发现很多尿床的儿童其实有严重膀腔失效及睡眠困扰问题，这些发现直接推翻了人们一贯的想法，就是尿床是由于儿童发育未成熟而不能控制排尿所致，亦带来对传统上视为当然的态度的反思。