The best hedge against low oil prices is low breakeven costs.
对冲低油价的最佳方法是降低盈亏平衡成本。
写作文章的根本,必须立足于道德,然后才能谈论文章。
The end of history will be a very sad time. The struggle for recognition, the willingness to risk one's life for a purely abstract goal, the worldwide ideological struggle that called forth daring, courage, imagination, and idealism, will be replaced by economic calculation, the endless solving of technical problems, environmental concerns, and the satisfaction of sophisticated consumer demands.