欧佩克不再掌控全球石油市场的所有牌。
OPEC no longer holds all the cards in global oil markets.
真正的领导力意味着出于正确的原因做出艰难的决定。
农民不仅仅种植作物,他们还培育社区。
Mathematics is the art of asking the right questions and then finding their answers.