1·This absurdly complicated system is inevitably supported by local insurers (as most of America's 4,500 or so underwriters are) : they gain from chummy relationships with the regulators.
美国本土大约4500个保险公司的大部分都支持这个极其复杂的系统，因为他们和系统的管理者之间的关系很亲密。
2·This absurdly complicated system is inevitably supported by local insurers (as most of America's 4, 500 or so underwriters are) : they gain from chummy relationships with the regulators.
美国本土大约4500个保险公司的大部分都支持这个极其复杂的系统，因为他们和系统的管理者之间的关系很亲密。