The competition authority in Britain launched an investigation into whether the dominance of the Big Four accountancy firms is driving down auditing standards.

英国竞争监管机构发起了一项调查，调查“四大”会计师事务所的主导地位是否正在降低审计标准。

But there is a kind of overarching body that's meant to supervise all of those firms and make sure that they all have the same standards of governance and behaviour and auditing standards, etc.

但是有一种总体机构旨在监督所有这些公司，并确保它们都具有相同的治理、行为和审计标准，等。