刚才提的100分问题全是机器翻的，再次恳请真心帮忙的人

个人所得税是国家组织财政收入和调节收入分配的主要政策工具之一。其中个人所得税自行纳税申报制度作为个人所得税制的重要组成部分，对于提高我国国民的纳税人意识以及个人所得税税制模式的转型都具有重要意义。
Individual income tax is one of the main internal policies of national tax revenue and adjusting income distribution. of which, Self-declaration System of Individual Income Tax is supposed to be an essential part of individual income tax, which is significant to both strengthen taxpayer's sense and transformation of taxation for individual income tax.

该制度自2007年实施以来已走过三个年头，然而效果并不是很好，在实践中遇到了诸多问题。在此背景下，本文将对问题作出分析，试探性地提出若干完善该项制度的建议。
It has been three years since the system was implemented, however there were many problems and it doesn't work ideally. In this context, this article analyzes those problems and tentatively raised some suggestions for perfecting the system.

（放心，译文应没问题，可以用了！）