After having checked by our account,the invoice is ok!请问这句话有没有语法问题?
感觉楼下的说得都对，我想表达的意思是：经过我们会计check 过之后，发票是OK的。
但同时，我又想用After 句型，是不是可以这样说：
After having been checked by our accountant,the invoice is ok!