LEC = LEGAL ENGLISH CERTIFICATE 法律英语证书BEC= Business English Certificate 剑桥商务英语证书考试 CPA= Certified Public Accountant 注册会计师CAAC=Civil Aviation Administration of China中国民航ACCA = The Association of Chartered Certified Accountants 英国特许注册会计师考试CIA =CERTIFIED INTERNAL AUDITOR 国际注册内部审计师考试