615.俄罗斯不如沙特活得滋润？同为产油大国，为何出现两种不同情况？

Russia and Saudi Arabia, both oil-producing giants, differ in terms of wealth due to factors like geographical vulnerability, high extraction costs, investment in defense and heavy industry, and economic diversification. While Russia faces sanctions and focuses on military spending, Saudi Arabia has diversified its economy into sectors like infrastructure and education.