帮忙一段英文翻译，急！大侠帮忙（追加50分）

Since individual income tax begins to collect our country since 1980, have experienced one growing out of nothing , have never have improved and perfected developing process to step by step perfect advancing gradually. With the fact that our country economy swiftness and violence develops, and the adjustment that individual income tax can't ceaseless perfect, but being compared with the developed country, be having one series's problem as before, for example tax rate interpose complicated , collect range is too narrow , cost deducts unreasonable, preferential tax treatment are more than the correct or required number , the collection and administration means falls behind , legal institutions is faulty , the plan goes on a punitive expedition to science does not wait for abuse. Analyse and study the main body of a book by being in progress to a series of problem there existing in the present stage individual income tax, reach countermeasure and method solving a problem ultima