On the other hand , petroleum resources irrefragable and distribution imbalance , determines the oil industry is the highest level of the industry , globalization is also the most competitive industry .

另一方面，石油资源的不可再生性和分布不均衡性，决定了石油产业必定是全球化程度最高的产业，同时也是竞争最激烈的产业。