April is the cruelest month, breeding lilacs out of the dead land, mixing memory and desire, stirring dull roots with spring rain.
柠檬问题发生的原因是卖家比买家更了解产品,从而导致市场失灵。
I'm not a saint, I'm a sinner.
计算机科学的挑战不仅在于构建更快的机器,更在于理解计算可能性的基本结构。
A picture must be a thing in itself, not a representation of something else.