translation.en: Before we used to just budget on whatever oil we bring in, because oil is the biggest, most revenue-earning sector in the economy: 70 percent of our revenues come from oil.
translation.zh: 在此之前，我们的做法是根据石油能带来的收入调整预算 因为石油是我国最大，最赚钱的产业- 我们70%的收入来自石油。