求翻译：2、金融机构体系在形式上大同小异，都是由包括中央银行、商业银行、专业银行、投资银行和政策性银行在内的银行性金融机构和包括保险公司、证券公司、养老基金、信托投资基金、邮政储蓄和信用合作社等在内的非银行性金融机构所组成。但在金融机构的管理体制上，尤其是金融运行体系和金融监管体系方面，却存在着很大的差别，这些方面的差别反映了一国金融体系成熟的程度和运行的效率。随着一国经济的不断增长和金融深化、金融开放的发展，其金融体系必然要进行相应的改革，以适应不断变化的经济形势。是什么意思？

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in Form 2, financial institutions are pretty much the same, all systems, including central banks, commercial banks, specialized banks, investment banks and policy banks, financial institutions and banks, insurance companies, securities firms, including pension funds, trust and investment funds, post

2, the financial system in the form of more or less, are returned by including the central banks, commercial banks, specialized banks, investment banks and policy banks of banks, financial institutions and insurance companies, securities companies, pension funds, trust funds, postal savings and cred