虽然业界的“成熟期”（固定盈利时期）仍然遥不可期，但是这次发射标着行业已完成了从“儿童期”（探索时期）到“青春期”（迅速发展时期）的过渡。
Though the industry's coming of age is still some way in the future, this launch marks its transition from childhood to adolescence.
儿童注意缺陷多动障碍是一种发展性的异常，是儿童期最为常见的最复杂的情绪与行为障碍之一。
Attention Deficit Hyperactivity disorder (ADHD) is a kind of developmental disorder and one of the most prevalent and complex emotional and behavioral disorders in childhood.
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