利改税

tā zài jīng lì le fàng quán ràng lì lì gǎi shuì chéng bāo zhì yǐ hòu jī lěi le bù shǎo bǎo guì de jīng yàn qǔ dé le xiǎn zhù de chéng xiào

它在经历了放权让利、利改税、承包制以后，积累了不少宝贵的经验，取得了显著的成效。

After it experienced decentralization and interest concessions, substitution of tax payment for profit delivery and contract-system, it accumulated a lot of valuable experience and achieved remarkable performance.