1. All wars that are progressive are just. 所有进步的战争都是正义的。
2. There are areas in which science and progressive politics make comfortable bedfellows. 在一些领域中，科学和开明政治成为了舒适的盟友。
3. Progressive tax rate, as a major concept in The Taxation, is frequently used in income tax. 累进税率是税收学中一个非常重要的概念，在所得税中经常使用。
英英解释
n.
1. a tense of verbs used in describing action that is on-going
2. a person who favors a political philosophy of progress and reform and the protection of civil libert adj.
1. favoring or promoting progress
2. favoring or promoting reform (often by government action)
3. (of taxes) adjusted so that the rate increases as the amount of income increases
4. gradually advancing in extent
5. advancing in severity
