“物竟天择、适者生存”，是近代西方一位生物学家的一句名言。这句名言，揭示了自然界万物生存的法则，即：优胜劣汰。事实上，“物竟天择、适者生存”既是自然法则，也是社会法则。目前，全省国税系统正在进行的“三位一体”综合改革，也是这一法则的具体体现。当前，国际国 “Natural selection, survival of the fittest” is a famous saying by a western biologist in modern times. This famous quote reveals the law of survival of all things in nature, namely: survival of the fittest. In fact, “natural selection, survival of the fittest” is both a natural law and a social one. At present, the “Trinity” comprehensive reform currently underway in the national tax system in the province is also a concrete manifestation of this principle. At present, international countries