对冲低油价的最佳方法是降低盈亏平衡成本。
The best hedge against low oil prices is low breakeven costs.
The human heart is the most deceitful of all things, and desperately wicked. Who really knows how bad it is?
不要贪婪,也不要孤立。
The mind is not a passive mirror of the world but an active participant in constructing reality.