In order to realize it, the marginal cost of tax categories should be identical, thus the social burden about it will less.

为了达到税制的优化，就必须使每一税种的边际总成本相一致，从而使社会的总负担最小。

youdao

Tax planning can direct to all tax categories, but because the different nature of tax categories, the way, method and income of tax planning are different.

纳税筹划可针对一切税种，但由于不同税种的性质不同，纳税筹划的途径、方法及其收益也不同。

youdao

This paper offers an overall analysis to these problems and puts forward several concrete improvements such as collecting tax instead of fees and adjusting the non-standard tax categories.

本文针对这一问题进行了全面分析，并提出了在规范费的基础上逐步实行费改税，对一些不规范税种局部调整等具体改进措施。

youdao

The tax-deferred and the tax-free categories carry significant tax-reduction benefits, which frequently make these two sorts of accounts a more appealing place to hold retirement investments.

FORBES: Expert View

The new streamlining agreement doesn't dictate sales tax rates or tell states what categories to tax--for example, whether they should tax clothing.

FORBES: Tax Time For Amazon?

Portugal has increased its value added tax by 1 percentage point across all categories, while increasing the top marginal tax rate by 1.5% on top earners and by 2.5% on corporations.

FORBES: Greece And The Crisis Of The Governing Elite