reason of forming

• 形成原因

reason of forming的用法和样例：

例句

1. The causes of pedophilia are unknown.
   尚不清楚娈童癖的形成原因。
2. This article elaborated sketchily to the artist and audience's influential certain factors, as well as their formation reason and so on.
   本文粗略地论述了对艺术家和观众有影响的若干因素，以及他们的形成原因等等。