Simultaneously, many countries are getting rid of traditional progressive tax principle — rising the tax rate along with the increasing of revenue, and transferring to single tax system mode.
同时，许多国家都在摆脱传统的累进税收原则，也就是随着收入水平的提高税率不断提高的方式，而转向了单一税制的模式。
Analysts believe the introduction of tax credits to the benefit system since 1999 has dissuaded many from marrying, as they favour single mothers.
分析人士认为，从1999年开始实行的税款抵免福利制度使很多人不愿结婚，这一政策对单身妈妈最为有利。
It is the system as a whole that needs to be progressive, not every single tax.
是整个税收系统需要采用累进型税收，而不是各项税收皆如此。
A single archive shall be established for the foreign-related key tax source enterprises that do not exist in the aforesaid System.
对于上述系统中没有的涉外重点税源企业，要单独建立档案。
A single archive shall be established for the foreign-related key tax source enterprises that do not exist in the aforesaid System.
对于上述系统中没有的涉外重点税源企业，要单独建立档案。
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