OPEC no longer holds all the cards in global oil markets.
The human mind is a complex and fascinating subject, and understanding it requires both scientific rigor and a touch of creativity.
We must always remember that behind every data point is a human life waiting for hope.
战略不是规划的后果,而是相反:它是规划的起点。
每一个实验,即使是失败的,也会教会你一些有价值的东西。