谁能帮我检查一下这句话有无语法错误?（如下）
问题描述：
谁能帮我检查一下这句话有无语法错误?（如下）
An accident happens unexpectedly and unintentionally,but doesn’t happen with a purpose.
答
An accident happens unexpectedly and unintentionally without any purpose.
你的句子说不出哪里不对,但是感觉就是不舒服,你看如上改一下如何?