求翻译：我国自1980年开展个人所得税以来，一直以税收公平为基本原则，以调节收入和促进分配公平为目标，不断在完善个人所得税的探索中前进。是什么意思？

Since to carry out the personal income tax in 1980, China has been a tax equity as a basic principle, fair income to regulate and promote the distribution of the target, and constantly move forward in the exploration of improving the personal income tax.

My own personal income tax in 1980, has been to equitable taxation as a basic principle, in order to regulate the income and to promote equitable distribution, constantly in search of the perfect personal income tax.

Our country has developed the personal income tax since 1980, always take the tax revenue fair as the basic principle, take adjusts the income and the promotion assignment fair as the goal, unceasingly in consummates the personal income tax in the exploration to go forward.

Since 1980, since the individual income tax in China, has been the fundamental principle of tax equity, targets in order to regulate and promote the fair distribution of income, continuing advances in exploration of perfecting personal income tax.

正在翻译，请等待...