第二个写法是错的,no 后边要跟名词 no difference,而且一般用 there is no difference between,不用 it is no different from ,这是错误的.It's not different from 与 It'sdifferent from 如何翻译be different from 是一个短语，意思是有所不同

be not different from 的意思就是没有什么不同