英语语法分析

The public sector, meanwhile, has become a byword for mismanagement, with vast sums of public money being frittered away on overpayments of tax credits or costly it projects.

这句的翻译在逻辑上可以改进下：与此同时，随着大量的公共资金被浪费在课税扣除的逾额付款或耗资巨大的IT项目上，公共部门已沦为了管理不善的代名词。