The accounting firm deliberately destroyed documents to thwart government investigators.会计事务所故意毁坏文件，阻挠政府调查工作。The merger of these two companies would create the world's biggest accounting firm.这两家公司的合并将产生世界上最大的会计事务所。She works for an accounting firm downtown.她在市商业区一家会计师事务所工作。